You need to KNOW some “unforgettable basics” before you enter the world of investing in stocks. The stock market is a field dominated by savvy investors who know the ins-and-outs of the market. For people who are not “on the inside”, the stock market can be a VERY dangerous place.
Don't even consider "tips" that tell you about "hot stocks". Consider the source: There are many people in the market who put in all their time and effort in promoting certain stocks. They do this because they have their money invested in those stocks. If they can get enough people to buy the stock and they can get the stock price to rise, they will sell the stock for a huge price, the stock price will crash and they will walk off to promote another stock.
Always use your own brain: It's extremely important. You must always use your own brain. Relying on the advice of others, no matter how well intentioned it may be, is almost always a complete disaster. Make sure you dig in and really examine the "facts about the companies" before you invest. Ignore press releases which have very little substance, and rely on "hype" to tell the company's story.
And finally the most important tip!!!
Only invest money you can afford to lose!! Sure this is a basic point, but many many people miss it. You should only invest money that you can honestly afford to lose!! Everyone enters into investments with the idea of earning big profits, but in many cases, this never works. (Especially if you are new to investing in the stock market!)
Please understand that the above tips are tips for beginners. Once you really get into the stock market you do not need to follow these rules anymore. But if you are a new investor, you MUST follow these rules. They are for your own safety.
But then again, nothing comes free. Everything has a price. You will have to loose some money, make some bad decisions and then only will you really understand the market. You cannot understand the market by just looking at it from far. By following these rules, you will basically not loose too much!