a:CALLSTOCK('SH601318',vtclose,-1,0) + CALLSTOCK('SH601166',vtclose,-1,0) + CALLSTOCK(' SH600036',vtclose,-1,0) + CALLSTOCK('SH600016',vtclose,-1,0) + CALLSTOCK(' SH600030',vtclose,-1,0) + CALLSTOCK('SH601328',vtclose,-1,0) + CALLSTOCK(' SH600837',vtclose,-1,0) + CALLSTOCK('SH600519',vtclose,-1,0) + CALLSTOCK(' SH600048',vtclose,-1,0) + CALLSTOCK('SH601398',vtclose,-1,0) + CALLSTOCK(' SZ000651',vtclose,-1,0) + CALLSTOCK('SH601288',vtclose,-1,0) + CALLSTOCK(' SZ000001',vtclose,-1,0) + CALLSTOCK('SH600104',vtclose,-1,0) + CALLSTOCK(' SH601601',vtclose,-1,0) + CALLSTOCK('SH601668',vtclose,-1,0),NOAXIS;