shares of rio tinto plc rio rose 266 to £5203 tuesday on what proved to be an allaround favorable trading session for the stock market with the ftse 100 index ukx rising 032 to 759478 rio tinto plc closed £1203 short of its 52week high £6406 which the company reached on january 26 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