You are going to be in the stock market for the rest of your life, and stocks will go up and down. But you will not become rich by guessing that a stock isn't going to move higher because it's already made a good move. Great businesses grow over years, decades, in fact. What may look like the ninth inning to you is really just the second inning.
There is also a lot of information known in research circles as fuzzy information; these are articles in periodicals and magazines. The daily information from the Wall Street Journal, Financial Times, and Investor's Business Daily is great for learning about stocks. Investor's Business Daily, in particular, is great for those trading stocks.