shares of smiths group plc smin inched down 037 to £1629 monday on what proved to be an allaround rough trading session for the stock market with the ftse 100 index ukx falling 011 to 745358 smiths group plc closed £178 short of its 52week high £1807 which the company reached on february 16 trading volume 517540 remained 430019 below its 50day average volume of 947559 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