单项选择题
A.股价上涨幅度大 B.股价下跌幅度大 C.股价震荡,收盘与开盘不等价 D.股价震荡,收盘与开盘等价
A.25% B.8.33% C.7.5% D.6.65%
A.7.5% B.4% C.3% D.2.5%