shares of j sainsbury plc sbry rallied 200 to £286 wednesday on what proved to be an allaround rough trading session for the stock market with the ftse 100 index ukx falling 019 to 767689 j sainsbury plc closed 470 pence short of its 52week high £291 which the company achieved on may 15 trading volume 22 m remained 35 million below its 50day average volume of 58 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