shares of smith  nephew plc sn slipped 161 to £1072 tuesday on what proved to be an allaround poor trading session for the stock market with the ftse 100 index ukx falling 061 to 752139 smith  nephew plc closed £286 short of its 52week high £1358 which the company achieved on january 11 trading volume 12 m remained 17 million below its 50day average volume of 28 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