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. 
Like many new investors, you've decided to invest in a company and pick up your first shares of stock, but your limited knowledge leaves you wondering how to do it. Don't worry! This overview was designed to help you learn precisely that - how to invest in stocks. To be more specific, for you new investors, this page was put together to serve as an introductory depository of investment articles designed to get many of the basics out of the way before moving on to some of the more advanced topics which I've written over the past years.

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.

Disclaimer: NerdWallet has entered into referral and advertising arrangements with certain broker-dealers under which we receive compensation (in the form of flat fees per qualifying action) when you click on links to our partner broker-dealers and/or submit an application or get approved for a brokerage account. At times, we may receive incentives (such as an increase in the flat fee) depending on how many users click on links to the broker-dealer and complete a qualifying action.

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.
The 2010s have been a boom era for online stock brokers. According to Statista, between 10% and 15% of all U.S. adults used an online broker at least once in 2018. While some major brokerages have remained the same (Charles Schwab), others have gone through mergers and acquisitions (E*TRADE acquired OptionsHouse; TD Ameritrade and Scottrade merged; TradeKing is now Ally Invest), and a new generation of millennial-focused brokers (like Robinhood and Acorns) has kept the old guard on its toes by lowering commission rates and minimum deposits. After digging into 25 trading platforms, here are the factors that set our top picks apart from the crowd.
If you want to trade “futures” (agreements to buy or sell assets in the future), Ally Invest isn’t an option. That’s not unusual for an online stock broker — neither Robinhood, Vanguard, nor Fidelity offer futures trading — but you can do it with some of our other top picks, including E*TRADE, Charles Schwab, Interactive Brokers, and TD Ameritrade.
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.
TD Ameritrade has been a powerful player in the online stock trading ecosystem for years. The flipside to such robust platforms? Cost. Even though TD Ameritrade lowered its fees in 2017 from $9.99 to $6.95, pretty much every other major discount broker slashed its prices, too. TD Ameritrade remains one of the more expensive options out there, even with more than 100 commission-free ETFs. Though its pricing structure is more expensive than those of some of the other discount brokers, there are many traders who think it's a best-in-class trading platform.

When it comes to research, Fidelity is in a league of its own. The intellectually curious can dive into research from more than 20 providers, including Recognia, Ned Davis, and McLean Capital Management. Fidelity’s Learning Center featured videos are organized by topic, but they don’t stop after explaining the concept; they also cover how to apply principles to your own Fidelity investments.

Robo-advisors like Wealthsimple, Wealthfront, and Betterment use algorithms to determine your investment strategy. You just plug in your time frame and risk tolerance and their computers do the rest. And because they’re targeted for a younger crowd, fees are rock bottom. Wealthsimple and Betterment both have no account minimum, while Wealthfront requires $500. Wealthsimple charges an annual 0.5% advising fee; Wealthfront and Betterment charge just 0.25%.
The Equity Summary Score is provided for informational purposes only, does not constitute advice or guidance, and is not an endorsement or recommendation for any particular security or trading strategy. The Equity Summary Score is provided by StarMine from Refinitiv, an independent company not affiliated with Fidelity Investments. For more information and details, go to Fidelity.com.
An online brokerage account likely offers your quickest and least expensive path to buying stocks, funds and a variety of other investments. With a broker, you can open an individual retirement account, also known as an IRA — here are our top picks for IRA accounts — or you can open a taxable brokerage account if you’re already saving adequately for retirement elsewhere.