When thinking about a stock exchange it is worth remembering that it is a capital market. The primary purpose of a capital market is to enable businesses to raise money to provide working capital to fund expansion and growth. In exchange for this money, the companies issue equity in the form of stock, creating stockholders. Each stockholder ownes a piece of the active business relative to the amount of money they invested.
Remember that free stock picks usually exist because of the vested interests of the company or the promoter. There are some exceptions, such as in the case of top book publishers, like John Wiley & Sons, who produce works like, "Penny Stocks for Dummies." Their exhaustive vetting process alone is usually thorough enough to provide you with some serious confidence in who they choose.
If you’re going to invest in the stock market, it’s a good idea to enlist the help of a licensed financial adviser. The right adviser can help you to better understand your financial needs as well as your goals and objectives. They can help you to plan for the future and make sure that the investments you choose will help you to reach your long-term goals.