Net change measures a security's price difference from one day to the next. Learn its role in stock analysis, how it's used in charting, and its impact on investing decisions.

If you prefer to leave math and graphs in your past with school, being a stock trader probably isn't for you. Stock traders fall into two categories, according to Angelo DeCandia, professor of ...

Stella Osoba is the Senior Editor of trading and investing at Investopedia. She co-founded and chaired Women in Technical Analysis. She has 15+ years of experience as a financial writer and technical ...