问题
单项选择题
An analyst does research about order types. The investor wants to profit from a predicted declines in the price of a company which she does not currently own. The most appropriate type of order is:
A. short sale.
B. limit order.
C. stop loss order.
答案
参考答案：A
解析： 卖空(short sale)可以在股票价格下跌时受益，卖空者向券商将股票借入并按现价卖出，过一段时间后，再在市场里买入该股票还给券商，从而实现盈利。