bae systems plc ba shares inched down 049 to £889 monday on what proved to be an allaround favorable trading session for the stock market with the ftse 100 index ukx rising 012 to 801431 bae systems plc closed 440 pence below its 52week high £894 which the company reached on february 17 trading volume 25 m remained 44 million below its 50day average volume of 69 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