What does it mean to short a stock? This video lecture explores shorting stock. [9:31]

More on the mechanics of shorting stock. [8:43]

A discussion of the virtues and or vices of short selling. Understand how this practice of selling stocks that are not owned and repurchasing them later can result in a profit or loss. [13:56]

This video [8:42] discusses more on the mechanics of shorting stock.

This video [9:32] focuses on the question, What does it mean to short a stock?