本文选股公式根据以下股票公式改编：
http://www.gupang.com/201009/091541322010.html
http://www.gupang.com/201009/091541322010.html
F0:=BARSLAST(CROSS(MA(C,5),MA(C,90)));
F1:=F0 AND BARSLAST(CROSS(MA(C,20),MA(C,90)));
F2:=F1 AND CROSS(MA(C,5),MA(C,20)) AND MA(C,20)>MA(C,90);
黑马:F2;
