polymetal international plc poly shares cratered 2188 to £150 tuesday on what proved to be an allaround great trading session for the stock market with the ftse 100 index ukx rising 017 to 769180 polymetal international plc closed £212 short of its 52week high £362 which the company reached on january 18 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