shares of wells fargo  co wfc sank 046 to 3919 wednesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 041 to 409195 and dow jones industrial average djia falling 011 to 3364650 the stocks fall snapped a fourday winning streak wells fargo  co closed 1030 short of its 52week high 4949 which the company achieved on april 21st the stock underperformed when compared to some of its competitors wednesday as us bancorp usb fell