Fidelity’s platform wins for user-friendly design, with tools to help take the guesswork out of finding funds and nosing out strategies. Fidelity’s platform lets you explore your options with a slick and intuitive design, complete with color-coded rankings and charts that call out what’s important. You can sort stocks by size, performance, and even criteria like sales growth or profit growth. Want to sort ETFs by the sectors they focus on or their expenses? Done. There’s even a box to check if you want to explore only Fidelity’s commission-free offerings. A few other discount brokers do offer screeners, but none match Fidelity’s depth and usability.
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.

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.
Measure your returns against an appropriate benchmark. This is essential advice for all types of investors — not just active ones. The bottom-line goal for picking stocks is to be ahead of a benchmark index. That could be the Standard & Poor’s 500 index (often used as a proxy for “the market”), the Nasdaq composite index (for those investing primarily in technology stocks) or other smaller indexes that are composed of companies based on size, industry and geography. Measuring results is key, and if a serious investor is unable to outperform the benchmark (something even pro investors struggle to do), then it makes financial sense to invest in a low-cost index mutual fund or ETF — essentially a basket of stocks whose performance closely aligns with that of one of the benchmark indexes.
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.

Stock investing is filled with intricate strategies and approaches, yet some of the most successful investors have done little more than stick with the basics. That generally means using funds for the bulk of your portfolio — Warren Buffett has famously said a low-cost S&P 500 index fund is the best investment most Americans can make — and choosing individual stocks only if you believe in the company’s potential for long-term growth.

If you want to learn more about how to invest in a stock, check out the directory of Investing for Beginners articles I've written, sorted by topic or head over to my blog for more esoteric and advanced topics that aren't particularly appropriate for beginners. Whatever happens, remember that stocks are just one of many types of assets that you can use to build wealth and become financially independent. 
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. 

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Overall commission costs can also be affected by new customer promotions. Brokers may give you a chunk of free trades based on your deposit amount. If your deposit gets you a substantial number of free trades, that can write off otherwise higher per-commission costs. Ally Invest offers small incentives for deposits as low as $500. Fidelity Investments, meanwhile, has a higher barrier for entry — it takes a $50,000 deposit, but then you'll get 300 free trades.
News sites such as Yahoo Finance and Google Finance serve as a great resource for beginners. For in depth coverage, look no further than the Wall Street Journal and Bloomberg. By monitoring the markets each day and reading headline stories investors can expose themselves to trends, 3rd party analysis, not to mention economic concepts and general business. Pulling quotes and observing fundamental data can also serve as another good source of exposure.
Thinkorswim, on the other hand, is a powerhouse designed for the advanced. This desktop application regularly racks up awards for its superior tools and features, things any other broker would charge a premium for — research reports, real-time data, charts, technical studies. Also included: customizable workspaces, extensive third-party research, a thriving trader chat room, and a fully functional mobile app.

How much money do I need to start investing in stocks? The amount of money you need to buy an individual stock depends on how expensive the shares are. (Share prices can range from just a few dollars to a few thousand dollars.) If you want mutual funds and have a small budget, an exchange-traded fund (ETF) may be your best bet. Mutual funds often have minimums of $1,000 or more, but ETFs trade like a stock, which means you purchase them for a share price — in some cases, less than $100).