Bear market, also known as "bear market", the representative of the market continued to decline phenomenon. Short investors and brokers think that the present share price, although high, but the prospects look bad for the stock market, stock prices will fall is expected, so the time to sell borrowed stock and then buy when the stock fell to a certain price to be to get the difference between the earnings. After selling the first use of this buy, pocketing the difference of the transactions referred to short. Bear market stock price changes is characterized by a series of crash was up.