shares of national grid plc ng inched up 018 to £1105 monday on what proved to be an allaround positive trading session for the stock market with the ftse 100 index ukx rising 018 to 777099 national grid plc closed £142 short of its 52week high £1247 which the company achieved on may 25 trading volume 45 m remained 30 million below its 50day average volume of 75 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