给“买入必涨”做了个选股，效果还不错，感谢“国王”，需要拿去
上升趋势的股，效果不错，看图，用不用你决定！
趋势:=MA(C,90),COLORRED;
MA14:=MA(CLOSE,14);
码:=COST(50),COLORYELLOW;
DIFF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIFF,9);
多头:=STICKLINE(DIFF>DEA,C,O,5,0);
空头:=STICKLINE(DIFF<=DEA,C,O,5,0);
XG:=DRAWTEXT(CROSS(DIFF,DEA),L-0.2,'买入');
必涨:XG=1;
