TD Ameritrade offers two best-in-class platforms, designed for two different types of investors. Both platforms are free to use for any investor with a TD Ameritrade account. The web-based Trade Architect, though often in the shadow of thinkorswim, is streamlined and easy to use. It will appeal to beginning investors or anyone who prefers a simplified educational interface. Its tab-based navigation lets users flip between trading tools and account overview, plus charts, stock screeners, heat maps, and more.
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.
A mentor could be a family member, a friend, a past or current professor, co-worker, or any individual that has a fundamental understanding of the stock market. A good mentor is willing to answer questions, provide help, recommend useful resources, and keep spirits up when the market gets tough. All successful investors of the past and present have had mentors during their early days.
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.
Keep your perspective. Being a successful investor doesn’t require finding the next great breakout stock before everyone else. By the time you hear that XYZ stock is poised for a pop, so have thousands of professional traders and the potential likely has already been priced into the stock. It may be too late to make a quick turnaround profit, but that doesn’t mean you’re too late to the party. Truly great investments continue to deliver shareholder value for years, which is a good argument for treating active investing as a hobby and not a Hail Mary for quick riches.
Choose your trading partner wisely. To trade stocks you need a broker, but don’t just fall for any broker. Pick one with the terms and tools that best align with your investing style and experience. A higher priority for active traders will be low commissions and fast order execution for time-sensitive trades (like our picks for best online platforms for active traders/day traders). Investors who are new to trading should look for a broker that can teach them the tools of the trade via educational articles, online tutorials and in-person seminars (see NerdWallet’s round-ups for the best brokers for beginners). Other features to consider are the quality and availability of screening and stock analysis tools, on-the-go alerts, easy order entry and customer service.

The solution to both is investing in stock index funds and ETFs. While mutual funds might require a $1,000 minimum or more, index fund minimums tend to be lower (and ETFs are purchased for a share price that could be lower still). Two brokers, Fidelity and Charles Schwab, offer index funds with no minimum at all. Index funds also cure the diversification issue because they hold many different stocks within a single fund.

History has shown that investing in stocks is one of the easiest and most profitable ways to build wealth over the long-term. With a handful of notable exceptions, almost every member of the Forbes 400 list of the wealthiest people got there because they own a large block of shares in a public or private corporation. Although your beginning may be humble, this guide to investing in stocks will explain what stocks are, how you can make money from them, and much more.

Forums can be another source for question and answer. Two recommendations include Elite Trader and Trade2Win. Just be careful of who you listen to. The vast majority of participants are not professional traders, let alone profitable traders. Heed advice from forums with a heavy dose of salt and do not, under any circumstance, follow trade recommendations.
Books provide a wealth of information and are inexpensive compared to the costs of classes, seminars, and educational DVDs sold across the web. Here on the site we have a full list of 20 great stock trading books for investors to consider. My personal all-time favorite is How to Make Money in Stocks by William O’Neil, founder of CANSLIM Trading which is pictured below.
IMPORTANT – Like paid subscriptions, be careful with classes and courses. Most are easily over $1,000 and are sold with false promises to 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 wasn’t even profitable to begin with. See, 10 Things I Wish I Knew About Trading Before I Got Started.
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. Not all seminars have be paid for either. Some seminars are provided free which can be a beneficial experience, just be conscious of the sales pitch that will almost always come at the end.
Since Vanguard is the largest mutual fund provider in the world, it doesn’t charge a fee for most mutual fund trades. However, other kinds of trading are more expensive, with $7 per option and up to $20 per stock/ETF. For that reason, we don’t recommend Vanguard for beginning or low-volume traders. However, Vanguard is an excellent choice for retirement investors interested in long-term, high-volume earnings, or those looking for a place to take their IRA. In fact, Vanguard is one of our picks for the best IRA accounts.
When you've been approved for margin stock trading, you're also eligible to short stock. Almost every successful stock trader has shorted stock at one time or another. When you short stock, you make money when the company's shares fall—or, even better yet, when they crash. The problem is that you can expose yourself to unlimited liability when you do this. 
That’s because there are plenty of tools available to help you. One of the best is stock mutual funds, which are an easy and low-cost way for beginners to invest in the stock market. These funds are available within your 401(k), IRA or any taxable brokerage account. An S&P 500 fund, which effectively buys you small pieces of ownership in 500 of the largest U.S. companies, is a good place to start.
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