Refers to as bearish on a stock investor, you can pay interest from the hands of the first brokerage to borrow a specific number of shares, and selling in the market, to be fell again at a low price to buy back the stock and return to the broker, pocketing the difference, provided that must be borrowed shares. On the other hand, investors invest in stocks, many will use when borrowing to invest in Hong Kong generally called Margin (Margin), as blue chips generally by five percent margin, that is the principal one hundred thousand yuan, You can buy shares worth $ 200,000. Mainland is not the title but with a margin of leverage (Leverage), is the equivalent margin activities in Hong Kong. In fact, the so-called leverage multiplier concept is, generally multiples of dollars, namely, to borrow or even three or four times more capital to invest itself as ten million, three times the leverage to do, he borrowed $ 300,000 That is with the ten million, you can buy the value of 3.4 million shares.