shares of bae systems plc ba inched up 044 to £920 wednesday on what proved to be an allaround rough trading session for the stock market with the ftse 100 index ukx falling 019 to 767689 bae systems plc closed £117 below its 52week high £1037 which the company reached on april 26 trading volume 25 m remained 34 million below its 50day average volume of 59 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