shares of prudential plc pru slid 239 to £1143 tuesday on what proved to be an allaround grim trading session for the stock market with the ftse 100 index ukx falling 034 to 775108 prudential plc closed £239 below its 52week high £1382 which the company reached on january 27 trading volume 40 m remained 38 million below its 50day average volume of 78 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