shares of robert half international inc rhi rallied 114 to 7618 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 033 to 415132 and the dow jones industrial average djia rising 030 to 3398718 robert half international inc closed 4223 below its 52week high 11841 which the company reached on april 21st the stock demonstrated a mixed performance when compared to some of its competitors monday as trinet group inc tnet rose 093 to 8476 asgn inc asgn rose 260 to 8004 and manpowergroup man rose 070 to 8057 trading volume 680567 remained 275994 below its 50day average volume of 956561 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