I'd suggest reading at least one of the following books:
1. Fundamentals of the Stock Market by B. O'Neill Wyss
2. Stock Investing For Dummies (For Dummies (Business & Personal Finance)) by Paul Mladjenovic
3. I Want To Make Money in the Stock Market: Learn to begin investing without losing your life savings! by Chris M. Hart 4. If You're Clueless About the Stock Market and Want to Know More by Seth Godin