bae systems plc ba shares inched up 057 to £917 thursday on what proved to be an allaround positive trading session for the stock market with the ftse 100 index ukx rising 089 to 741003 bae systems plc closed 2728 pence below its 52week high £944 which the company achieved on march 15 trading volume 54 m remained 34 million below its 50day average volume of 88 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