shares of j sainsbury plc sbry slid 216 to £222 monday on what proved to be an allaround grim trading session for the stock market with the ftse 100 index ukx falling 041 to 744597 j sainsbury plc closed 8210 pence short of its 52week high £304 which the company reached on january 19 trading volume 38 m remained 43 million below its 50day average volume of 81 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