*Types of market orders* 1. *Market Order:* Buy or sell a security at the current market price. 2. *Limit Order:* Buy or sell a security at a specific price or better. 3. *Stop-Loss Order:* Sell a security when it falls to a certain price to limit losses. 4. *Stop-Limit Order:* Combination of stop-loss and limit orders. 5. *Take-Profit Order:* Close a position when a certain profit level is reached.