Playing the stock market can be a lot of fun especially if you know what to look for. Hot stocks are companies that are moving wonders in the market and that you want to invest in. Differernt companies will specialize in different types of hot stocks such as penny stocks or small cap. It all depends on how much money you have to invest in the stock market. You should watch the stock market to see which stocks are hot and which are not. One day a stock could be hot and the next its not. Play safe but always play hard as well.