bae systems plc ba shares inched up 026 to £839 wednesday on what proved to be an allaround favorable trading session for the stock market with the ftse 100 index ukx rising 026 to 788517 bae systems plc closed 4120 pence below its 52week high £880 which the company achieved on january 25 trading volume 39 m remained 31 million below its 50day average volume of 70 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