polymetal international plc poly shares advanced 105 to £192 monday on what proved to be an allaround rough trading session for the stock market with the ftse 100 index ukx falling 010 to 759999 polymetal international plc closed £170 below its 52week high £362 which the company achieved on january 18 trading volume 803490 remained 795907 below its 50day average volume of 16 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