Read the Little Book of Common Sense Investing by Bogle, and have stayed the course every since. The more and more I learned about trading, market analysis, arbitration (trying to take advantage of an information market mismatch), I realized my time would be better spent doing something I enjoy and Investing (with a capital I) the Bogle way. In short, buy into passively managed index funds (Vanguard funds, etc) with low cost ratios over time, and dont touch until you must...