解:(1)27+4+4.5﹣1=34.5(元)答:每股是34.5元.(2)27+4+4.5=35.5(元)35.5﹣1﹣2.5﹣6=26(元)本周内最高价是每股35.5元,最低价是每股26元.(3)1000×27=27000(元),1000×28=28000(元)26000﹣27000﹣27000×0.15%﹣28000×(0.15%+0.1%)=﹣1000﹣40.5﹣70=﹣1100.5(元)所以张智慧亏了1100.5元.