bae systems plc ba shares inched down 081 to £935 monday on what proved to be an allaround grim trading session for the stock market with the ftse 100 index ukx falling 010 to 759999 bae systems plc closed £102 short of its 52week high £1037 which the company achieved on april 26 trading volume 39 m remained 34 million below its 50day average volume of 73 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