UnitedHealth Group (UNH) closed at $606.79 in the latest trading session, marking a +0.16% move from the prior day. This change lagged the S&P 500's 0.57% gain on the day. On the other hand, the Dow registered a gain of 0.28%, and the technology-centric Nasdaq increased by 0.63%.The largest U.S. health insurer's shares have seen an increase of 7.18% over the last month, surpassing the Medical sector's loss of 3.14% and the S&P 500's gain of 3.15%.Analysts and investors alike will be keeping a close eye on t ...