How the Relative Strength Index (RSI) Works As a momentum indicator, the relative strength index compares a security's strength on days when prices go up to its strength on days when prices go down.

The issue of insider trading has always been a hot one in the stock market and investment circles. Whereas illegal insider trading occurs when a person trades in stocks using non-public material ...

Looking at a stock chart is a great way to gain instant visual insight into the performance and momentum of a stock market index like the S&P 500. Yet, even broad-market visualizations need context.

Learn how to measure the magnitude of price changes in 11 minutes Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Investopedia / ...