Has continued to decline in the stock for a longer time after the end of fall when the rebound scramble to choose measureless air or shares, and the volume should not select stocks fell.

• 抢反弹要尽量选择超跌股，抗跌股有可能在股市的某一段下跌时间内表现得比较抗跌，但是这种抗跌未必能够持久。