Diane Costagliola is a researcher, librarian, instructor, and writer who has published articles on personal finance, home buying, and foreclosure. Investopedia / Laura Porter A double top is an ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). A piercing pattern is a two-day, candlestick price pattern that marks a ...

Identifying an object by its shape or properties. For example, stock forecasting identifies trends by recognizing historical patterns. Although pattern recognition has been around for decades, it is ...