Support and resistance lines are charting techniques that help investors better visualize past price movements. Learn about what they indicate and how they’re used by investors.

Andrews’ Pitchfork is a useful drawing tool that helps traders map support and resistance lines. Mapping how a stock’s price moves within the pitchfork can help traders identify reversals and ...

Sometimes analysts rely on no firm mathematical methodology at all, instead drawing lines as they please that support their arguments. Because the support is psychological, the market and its ...