shares of lyondellbasell industries nv cl a lyb slid 052 to 8368 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 061 to 399532 and dow jones industrial average djia falling 042 to 3396635 the stocks fall snapped a twoday winning streak lyondellbasell industries nv cl a closed 3354 short of its 52week high 11722 which the company reached on may 31st trading volume 14 m remained 839518 below its 50day average volume of 23 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