shares of wpp plc wpp slid 174 to £924 tuesday on what proved to be an allaround dismal trading session for the stock market with the ftse 100 index ukx falling 012 to 785103 wpp plc closed £307 short of its 52week high £1232 which the company reached on february 10 trading volume 25 m remained 349108 below its 50day average volume of 28 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