shares of wpp plc wpp slipped 300 to £917 friday on what proved to be an allaround grim trading session for the stock market with the ftse 100 index ukx falling 126 to 740545 wpp plc closed £178 below its 52week high £1096 which the company reached on march 29 trading volume 21 m remained 783255 below its 50day average volume of 29 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