Are you intimidated by day trading? Think it's only for the select few who are savvy with stocks or are financial savants? Well, think again, because anyone can master day trading--and once you learn the basic techniques, it's possible to make a boatload of money The flip side: if you don't know what you're doing, you can lose your shirt.

In this entry-level guide to day trading, MarketWatch columnist and financial journalist Michael Sincere assumes you know nothing. Zip. Zero. Inside, he shows you how to get started and breaks day trading down by clearly explaining:...