下列哪一项不属于买入认购期权的作用()。
A、杠杆性做多
B、增强持股收益
C、降低做多成本
D、锁定未来的买入价
参考答案:B
— busy homework ,the children also have to take arts, music and sports classes in their free time.
— I wonder what they will become.
A.Rather than
B.Expect for
C.Apart from
D.Owing to
金融危机以后,国际信用违约互换市场引入拍卖结算机制,实现了统一的回收率。