ds smith plc smds shares shed 492 to £336 monday on what proved to be an allaround favorable trading session for the stock market with the ftse 100 index ukx rising 012 to 801431 ds smith plc closed 3617 pence below its 52week high £372 which the company achieved on february 21 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