shares of corning inc glw slid 172 to 3381 thursday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 064 to 453741 and dow jones industrial average djia falling 067 to 3528272 corning inc closed 392 below its 52week high 3773 which the company reached on august 15th despite its losses the stock outperformed some of its competitors thursday as thermo fisher scientific inc tmo fell 251 to 56002 and danaher corp dhr fell 362 to 25527 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