shares of lyondellbasell industries nv cl a lyb slumped 079 to 9723 monday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 024 to 437394 and dow jones industrial average djia falling 049 to 3389260 lyondellbasell industries nv cl a closed 2079 short of its 52week high 11802 which the company reached on june 3rd 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