Image source: Getty Images ... Designed to quantify the two most potent emotions driving investors' decisions -- fear and greed -- this index provides a snapshot of market sentiment at any ...

It is wise for investors “to be fearful when others are greedy and to be greedy only when others are fearful,” according to one of Warren Buffett’s classic aphorisms.

CNN’s Fear & Greed Index is a way to gauge stock market movements and whether stocks are fairly priced. The index uses seven market indicators to help answer the question: What emotion is ...