Secrets of the Stock Market's Biggest Winners
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Diversification is considered to be the only free lunch in investing. (If you are new to this concept, check out Introduction To Diversification, The Importance Of Diversification and A Guide To Portfolio Construction.) In a nutshell, by investing in a range of assets, you reduce the risk of one investment's performance severely hurting the return of your overall investment. You could think of it as financial jargon for "don't put all of your eggs in one basket".


CAUTION – One of the most common mistakes new investors make is to buy too many shares for their first stock trade; this is a mistake. Taking on too much risk as a beginner who is just getting started will very likely result in experiencing unnecessary losses. Instead, begin with trading small position sizes, then slowly work your way up to buying more shares, on average, each trade.

Research is provided for informational purposes only, does not constitute advice or guidance, nor is it an endorsement or recommendation for any particular security or trading strategy. Research is provided by independent companies not affiliated with Fidelity. Please determine which security, product, or service is right for you based on your investment objectives, risk tolerance, and financial situation. Be sure to review your decisions periodically to make sure they are still consistent with your goals.

The best investors are in it for the long haul. Checking your account too often might make you react to the fluctuations in the market too quickly. Personal finance expert Ramit Sethi has written that you should check your investments “probably every few months, with a major review every year.” On many sites, you can also set an alert if a stock dives. Other than that, just set up a quarterly recurring appointment to check in.

$4.95 commission applies to online U.S. equity trades in a Fidelity retail account only for Fidelity Brokerage Services LLC retail clients. Sell orders are subject to an activity assessment fee (from $0.01 to $0.03 per $1,000 of principal). Other conditions may apply. See Fidelity.com/commissions for details. Employee equity compensation transactions and accounts managed by advisors or intermediaries through Fidelity Clearing & Custody Solutions® are subject to different commission schedules.

Discount brokers used to be the exception, but now they're the norm. Discount online brokers give you tools to select and place your own transactions, and many of them also offer a set-it-and-forget-it robo-advisory service too. As the space of financial services has progressed in the 21st century, online brokers have added more features including educational materials on their sites and mobile apps.

We found Robinhood’s trading interface — both via its mobile app and its website — the most user-friendly of all candidates, making it a perfect option for the first-time trader. The design is minimalist, interactive, and easy to navigate. “Robinhood is a good fit for new investors because it offers a slick, modern app that allows you to trade efficiently,” says James Royal, a stock analyst and investing and wealth management reporter at Bankrate. “And of course, it's free, allowing you to invest money that would have otherwise gone into a broker's pocket.”

Shouldn’t I just choose the cheapest broker? Trading costs definitely matter to active and high-volume traders. If you’re a high-volume trader — buying bundles of 100 to 500 shares at a time, for example — Interactive Brokers and TradeStation are cost-effective options. Ally Invest offers $3.95 trades ($1 off full price) for investors who place more than 30 trades a quarter.  Commissions are less of a factor for buy-and-hold investors, a strategy we recommend for the majority of people. Most online brokers charge from $5 to $7 per trade. But other factors — access to a range of investments or training tools — may be more valuable than saving a few bucks when you purchase shares.

Where should I invest my money?


Investing is a way to set aside money while you are busy with life and have that money work for you so that you can fully reap the rewards of your labor in the future. Investing is a means to a happier ending. Legendary investor Warren Buffett defines investing as “… the process of laying out money now to receive more money in the future.” The goal of investing is to put your money to work in one or more types of investment vehicles in the hopes of growing your money over time.

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How much money should I invest in stocks? If you’re investing through funds — have we mentioned this is our preference? — you can allocate a fairly large portion of your portfolio toward stock funds, especially if you have a long time horizon. A 30-year-old investing for retirement might have 80% of his or her portfolio in stock funds; the rest would be in bond funds. Individual stocks are another story. We’d recommend keeping these to 10% or less of your investment portfolio.

It pays to shop around some before deciding on where you want to open an account, and to check out our broker reviews. We list minimum deposits at the top of each review. Some firms do not require minimum deposits. Others may often lower costs, like trading fees and account management fees, if you have a balance above a certain threshold. Still, others may give a certain number of commission-free trades for opening an account.

Seminars can provide valuable insight into the overall market and specific investment types. Most seminars will focus on one specific aspect of the market and how the speaker has found success utilizing their own strategies over the years. Examples include Dan Zanger and Mark Minervini, both of which I have attended and reviewed thoroughly here on the site. Not all seminars have to be paid for either. Some seminars are provided free, which can be a beneficial experience, just be extremely conscious of the sales pitch that will almost always come at the end. Whatever is offered, just say no!

E*TRADE does require an investment minimum for new brokerage accounts ($500), which may seem like more than a novice would like to throw in. But you’ll need at least that much to see real growth, and compared to the minimums of traditional brokerages, $500 is an incredibly welcoming threshold. Additionally, if you can commit to a $10,000 deposit, you can get 60 days of commission-free trades.

While E*TRADE’s baseline fees are a little high ($6.95 for stocks/ETFs, $6.95 plus 75 cents per contract for options) compared to Ally Invest, Charles Schwab, and Fidelity, E*TRADE does offer volume discounts. If you make more than 30 stock/ETFs trades per quarter, the fee drops to a very competitive $4.95, and if you trade more than 30 options per quarter, the contract fee goes down to 50 cents. That makes E*TRADE a good fit for active traders who keep a close eye on the market.

Like Fidelity and Vanguard, Charles Schwab is one of the older brick-and-mortar investment brokers that successfully modernized its trading platform for the Internet Age. Of all our picks, Charles Schwab is the best option for advanced traders who want a full buffet of options (stocks, ETFs, options, bonds, mutual funds, futures) and an impressive suite of research tools. Best of all, even with all the perks Charles Schwab offers, it’s still one of the lowest-cost trading platforms, with cheaper fees than E*TRADE or TD Ameritrade on most trades.

We evaluated brokerage firms and investment companies on the services that matter most to different types of investors. For example, for active traders, we note online brokers offering volume discounts on trade commissions and robust mobile trading platforms. For people venturing into investing for the first time, we call out the best online brokers for educational support (such as stock-picking tutorials) and on-call chat or phone support.

How much money should I invest in stocks?


First things first, let’s quickly define stock trading. Stock trading is buying and selling shares of publicly traded companies. Popular stocks most Americans know include Apple (AAPL), Facebook (FB), Disney (DIS), Microsoft (MSFT), Amazon (AMZN), Google (GOOGL), Netflix (NFLX), and more recently listed companies such as Uber (UBER) and Pinterest (PINS).

Each publicly traded company lists their shares on a stock exchange. The two largest exchanges in the world are the New York Stock Exchange (NYSE) and the NASDAQ; both are based in the United States (Wikipedia). Attempting to grasp just how large the NYSE and NASDAQ both are is certainly not easy. The NYSE has a market cap of nearly $31 trillion and the NASDAQ’s is nearly $11 trillion. And yes, that is not a typo, I said, “trillion”.

Finally, the other factor: risk tolerance. The stock market goes up and down, and if you’re prone to panicking when it does the latter, you’re better off investing slightly more conservatively, with a lighter allocation to stocks. Not sure? We have a risk tolerance quiz — and more information about how to make this decision — in our article about what to invest in.

CAUTION – Like paid subscriptions, be very careful with classes and courses. Most are easily over $1,000 and are sold with promises of acquiring valuable knowledge. Their fantastic sales funnels will suck you in, take your money, excite you during the course, then leave you with a strategy that was profitable five or ten years ago, but is no longer relevant today. That, or you simply do not yet have the expertise required to be successful and trade the strategy properly.

$4.95 commission applies to online U.S. equity trades in a Fidelity retail account only for Fidelity Brokerage Services LLC retail clients. Sell orders are subject to an activity assessment fee (from $0.01 to $0.03 per $1,000 of principal). Other conditions may apply. See Fidelity.com/commissions for details. Employee equity compensation transactions and accounts managed by advisors or intermediaries through Fidelity Clearing & Custody Solutions® are subject to different commission schedules.

John Paulson, a hedge-fund manager in New York, lead his firm to make $20 billion in profits between 2007 and early 2009. By betting heavily against first the housing market and then later financial stocks, his firm made a killing. Paulson’s success netted him a paycheck of some $4 billion, or more than $10 million a day. His funds during this time had returns of several hundred percent. These are his eight investing lessons:

In terms of the beginning investor, the mutual fund fees are actually an advantage relative to the commissions on stocks. The reason for this is that the fees are the same regardless of the amount you invest. So, as long as you have the minimum requirement to open an account, you can invest as little as $50 or $100 per month in a mutual fund. The term for this is called dollar cost averaging (DCA), and it can be a great way to start investing.

Seminars can provide valuable insight into the overall market and specific investment types. Most seminars will focus on one specific aspect of the market and how the speaker has found success utilizing their own strategies over the years. Examples include Dan Zanger and Mark Minervini, both of which I have attended and reviewed thoroughly here on the site. Not all seminars have to be paid for either. Some seminars are provided free, which can be a beneficial experience, just be extremely conscious of the sales pitch that will almost always come at the end. Whatever is offered, just say no!

News sites such as CNBC and MarketWatch serve as a great resource for beginners. For in depth coverage, look no further than the Wall Street Journal and Bloomberg. By casually checking in on the stock market each day and reading headline stories, you will expose yourself to economic trends, third-party analysis, and general investing lingo. Pulling stock quotes on Yahoo Finance to view a stock chart, view news headlines, and check fundamental data can also serve as another quality source of exposure.

We want to hear from you and encourage a lively discussion among our users. Please help us keep our site clean and safe by following our posting guidelines, and avoid disclosing personal or sensitive information such as bank account or phone numbers. Any comments posted under NerdWallet's official account are not reviewed or endorsed by representatives of financial institutions affiliated with the reviewed products, unless explicitly stated otherwise.

John Paulson, a hedge-fund manager in New York, lead his firm to make $20 billion in profits between 2007 and early 2009. By betting heavily against first the housing market and then later financial stocks, his firm made a killing. Paulson’s success netted him a paycheck of some $4 billion, or more than $10 million a day. His funds during this time had returns of several hundred percent. These are his eight investing lessons:

Warren Buffett is the best example to hit this point home. In 2008, he bet some hedge fund managers $1 million that they wouldn’t be able to make more money in a decade than a cheap, boring index fund. An index fund uses simple investing algorithms to track an index and doesn’t require active human management. Conversely, hedge funds stack management fees on top of trading fees to pay for the time and knowledge actual strategists are putting into your investments.

In the stock market, for every buyer, there is a seller. When you buy 100 shares of stock, someone is selling 100 shares to you. Similarly, when you go to sell your shares of stock, someone has to buy them. If there are more buyers than sellers (demand), then the stock price will go up. Conversely, if there are more sellers than buyers (too much supply), the price will fall.

How can I make money super fast?


Different investors are going to prioritize different things. A day trader, for example, requires speed and flexibility. A first-time trader may value educational resources and reliable customer support. But one thing every trader should care about is cost. Not paying attention to investment expenses is like revving your car engine while filling it with gas. That's why we spent a lot of time balancing price with what each site offered.

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Work-based retirement plans deduct your contributions from your paycheck before taxes are calculated, which will make the contribution even less painful. Once you're comfortable with a one percent contribution, maybe you can increase it as you get annual raises. You won't likely miss the additional contributions. If you have a 401(k) retirement account at work, you may already be investing in your future with allocations to mutual funds and even your own company's stock.

Have you ever asked yourself, "What is stock?" or wondered why shares of stock exist? This introduction to the world of investing in stocks will provide answers to those questions and show you just how simple Wall Street really is. It may turn out to be one of the most important articles you've ever read if you don't understand what stocks represent. Find out the answer to "What is Stock?" and how it comes to exist ...

The capital gains tax rate favors long-term investments. An investor who buys and sells their stocks within a few months will face a higher capital gains tax rate (25%) on their profits than an investor who buys and holds their stocks for a full year (15%). The larger your investment, the bigger the difference. Granted, there’s a risk to holding an investment for longer, but if you’re close to that one-year cutoff, it might be worth it to sit tight for a few more weeks.

E*TRADE does require an investment minimum for new brokerage accounts ($500), which may seem like more than a novice would like to throw in. But you’ll need at least that much to see real growth, and compared to the minimums of traditional brokerages, $500 is an incredibly welcoming threshold. Additionally, if you can commit to a $10,000 deposit, you can get 60 days of commission-free trades.

New investors need two things from their online stock trading platform: an easy learning curve and lots of room to grow. E*TRADE has both. Its platform boasts a library of educational videos, articles, and webinars for each type of investor. Once you’ve mastered the fundamentals, read up on market news, reports, and commentary from E*TRADE analysts. You can also take advantage of one-on-one assistance: Branch appointments are free to book, and online chat tools and 24-hour hotline are there to guide you from anywhere in the world.

Think win/win. Psychology is a huge aspect of trading. If you have a big winner on your hands and aren’t sure whether you should hold the shares to try for higher prices or sell them to lock in a profit, consider selling half and holding the rest with a stop loss (at worst) back at your original buy price. That way, if the stock drops back to your buy price, you still win because you sold half and made a profit. Similarly, if the stock shoot higher in price, you also win because you still hold half your original position. Heads you win, tails you win too. 🙂

CAUTION – One of the most common mistakes new investors make is to buy too many shares for their first stock trade; this is a mistake. Taking on too much risk as a beginner who is just getting started will very likely result in experiencing unnecessary losses. Instead, begin with trading small position sizes, then slowly work your way up to buying more shares, on average, each trade.

Like Fidelity and Vanguard, Charles Schwab is one of the older brick-and-mortar investment brokers that successfully modernized its trading platform for the Internet Age. Of all our picks, Charles Schwab is the best option for advanced traders who want a full buffet of options (stocks, ETFs, options, bonds, mutual funds, futures) and an impressive suite of research tools. Best of all, even with all the perks Charles Schwab offers, it’s still one of the lowest-cost trading platforms, with cheaper fees than E*TRADE or TD Ameritrade on most trades.


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There are risks associated with investing in a public offering, including unproven management, and established companies that may have substantial debt. As such, they may not be appropriate for every investor. Customers should read the offering prospectus carefully, and make their own determination of whether an investment in the offering is consistent with their investment objectives, financial situation, and risk tolerance.

Stock mutual funds or exchange-traded funds. These mutual funds let you purchase small pieces of many different stocks in a single transaction. Index funds and ETFs are a kind of mutual fund that track an index; for example, a Standard & Poor’s 500 fund replicates that index by buying the stock of the companies in it. When you invest in a fund, you also own small pieces of each of those companies. You can put several funds together to build a diversified portfolio. Note that stock mutual funds are also sometimes called equity mutual funds.