MACD (Moving Average Convergence Divergence) is a trend-following momentum indicator that shows the relationship between two moving averages.

A stop-loss order is a trading order placed to sell a security when it reaches a specific price, limiting potential losses.

A limit order is an instruction to buy or sell a security at a specific price or better.

Short selling is the practice of selling borrowed securities with the intention to buy them back later at a lower price.