j sainsbury plc sbry shares inched down 077 to £220 thursday on what proved to be an allaround rough trading session for the stock market with the ftse 100 index ukx falling 037 to 746928 j sainsbury plc closed 8350 pence short of its 52week high £304 which the company achieved on january 19 trading volume 26 m remained 53 million below its 50day average volume of 79 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