shares of masco corp mas slipped 246 to 4560 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 103 to 365504 and dow jones industrial average djia falling 111 to 2926081 masco corp closed 2546 below its 52week high 7106 which the company achieved on january 4th the stock demonstrated a mixed performance when compared to some of its competitors monday as fortune brands home  security inc fbhs fell 306 to 5391 armstrong world industries inc awi fell 147 to 7749 and american woodmark corp amwd fell 349 to 4428 trading volume 21 m eclipsed 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