A bear is an investor who believes that a particular stock or the market in general will fall. They will not follow traditional strategies to invest in shares, they aim to predict shares that will fall in value, and profit financially when that happens. The most common method of achieving this is through short selling. To short sell, the investor borrows the shares from a broker, with the aim of replacing them at a later date. He sells them at the high price, and waits for the price to drop. He then buys them back and returns them to the broker to replace the ones that he borrowed.