Yeah, you can make some quick money like that in the stock markets on occasion, but are you aware of the tax rate on short term gains? You can pretty much cut any profits earned in less than a year in half, that's not exact, but a pretty realistic way to think about it. Is one of the reasons that only people with substantial capital are able to make a decent living as day traders. Now, don't get me wrong, turning a buck like that is a great thrill, its a lot of fun. Just don't go thinking all that money is yours til you've filled out those forms at the end of the year.