如何面对连续下跌的股票？

熊市抢反弹的秘诀是：6日乖离率超过－6%，12日乖离率超过－10%，       24日乖离率超过－16%，进场抢反弹，24日乖离率接近0时卖出。    [淘股吧]
       BIAS1:=(CLOSE-MA(CLOSE,6))/MA(CLOSE,6)*100;       BIAS2:=(CLOSE-MA(CLOSE,12))/MA(CLOSE,12)*100;       BIAS3:=(CLOSE-MA(CLOSE,24))/MA(CLOSE,24)*100;       短跌选股:IF(BIAS1<=-6,1,0);       中跌选股:IF(BIAS2<=-10,1,0);       长跌选股:IF(BIAS3<=-16,1,0);