shares of howmet aerospace inc hwm dropped 054 to 3900 wednesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 061 to 399532 and dow jones industrial average djia falling 042 to 3396635 the stocks fall snapped a threeday winning streak howmet aerospace inc closed 078 short of its 52week high 3978 which the company achieved on december 13th the stock demonstrated a mixed performance when compared to some of its competitors wednesday