编写要求：
昨天跌4个点内的阴线，今天跳空高开2-5个点，反包选股公式。
www.gszx.com.cn网解答：
A1:=REF(CLOSE,1)<REF(OPEN,1);
A2:=REF(CLOSE,1)>REF(CLOSE,2)*0.945 AND REF(CLOSE,1)<REF(CLOSE,2)*0.99;
A3:=OPEN<REF(OPEN,1)*1.06 AND OPEN>REF(OPEN,1)*1.02;
{A4:=CLOSE>OPEN;}
A1 AND A2 AND A3{ AND A4;};
