It is always shrewd to start by operating a dummy account to gain insight on how the stock market operates. If you are a small investor you can invest in penny stocks but these are risky because of stock market manipulators and scammers. It is safer to invest in regular stocks. You should engage a reputable broker. Do not look into the short term. You could end up losing your money. Look into the medium term to make profit. You should diversify your stocks.