gsk plc gsk shares inched up 012 to £1347 friday on what proved to be an allaround favorable trading session for the stock market with the ftse 100 index ukx rising 047 to 756437 gsk plc closed £323 below its 52week high £1670 which the company achieved on august 8 trading volume 26 m remained 53 million below its 50day average volume of 78 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