shares of waste management inc wm advanced 145 to 16550 wednesday on what proved to be an allaround dismal 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 this was the stocks second consecutive day of gains waste management inc closed 1048 short of its 52week high 17598 which the company reached on august 18th the stock outperformed some of its competitors wednesday as ecolab inc ecl fell 054 to 16425 and republic services inc rsg rose 142 to 13698 trading volume 20 m eclipsed its 50day average volume of 20 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