shares of mg plc mng dropped 170 to £197 tuesday on what proved to be an allaround rough trading session for the stock market with the ftse 100 index ukx falling 034 to 775108 mg plc closed 3310 pence short of its 52week high £230 which the company reached on march 2 trading volume 38 m remained 84 million below its 50day average volume of 121 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