intertek group plc itrk shares inched down 042 to £4261 thursday on what proved to be an allaround rough trading session for the stock market with the ftse 100 index ukx falling 043 to 752916 intertek group plc closed £288 short of its 52week high £4549 which the company reached on february 16 trading volume 185884 remained 247459 below its 50day average volume of 433343 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