shares of fortune brands home  security inc fbhs shed 550 to 6621 wednesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 404 to 392368 and dow jones industrial average djia falling 357 to 3149007 fortune brands home  security inc closed 4302 short of its 52week high 10923 which the company reached on november 16th the stock underperformed when compared to some of its competitors wednesday as masco corp mas fell 336 to 5432 armstrong world industries inc awi fell 345 to 8237 and american woodmark corp amwd fell 225 to 5035 trading volume 15 m remained 286864 below its 50day average volume of 17 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use