shares of waste management inc wm inched 094 higher to 15927 wednesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 149 to 387844 and the dow jones industrial average djia rising 160 to 3337648 this was the stocks second consecutive day of gains waste management inc closed 1671 below its 52week high 17598 which the company reached on august 18th the stock underperformed when compared to some of its competitors wednesday as ecolab inc ecl rose 102 to 14430 and republic services inc rsg rose 111 to 13148 trading volume 14 m remained 378525 below its 50day average volume of 18 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