shares of unitedhealth group inc unh rose 276 to 49919 tuesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 146 to 407660 and the dow jones industrial average djia rising 109 to 3408604 the stocks rise snapped a threeday losing streak unitedhealth group inc closed 5891 short of its 52week high 55810 which the company achieved on october 31st the stock outperformed some of its competitors tuesday as cvs health corp cvs rose