shares of corning inc glw slid 202 to 3106 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 171 to 378993 and dow jones industrial average djia falling 170 to 3018378 this was the stocks second consecutive day of losses corning inc closed 1241 short of its 52week high 4347 which the company reached on february 10th the stock underperformed when compared to some of its competitors wednesday as thermo fisher scientific inc tmo fell 122 to 52569 3m co mmm fell 147 to 11481 and te connectivity ltd tel fell 118 to 12020 trading volume 38 m remained 762899 below its 50day average volume of 46 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