credit suisse ags cs warning of a secondquarter loss weighed on bank stocks on wednesday as the sector moved more deeply into the red than the broad market the dow jones industrial average djia dropped 07 while components jpmorgan chase  co jpm and goldman sachs group inc gs gave up 1 each citigroup c dropped 08 wells fargo  co wfc subtracted 15 bank of america corp bac fell 14 and morgan stanley ms lost about 1 uslisted shares of credit suisse dipped 07