SOPA Images/LightRocket via Getty Images The Healthcare space has been second only to Information Technology on the performance rankings year to date among S&P 500 sectors. Investors continue to prefer quality growth names, even amid a period of AI euphoria. What’s also perhaps perking up as a factor preference are dividend-paying stocks. I am upgrading UnitedHealth Group (NYSE:UNH) from a hold to a buy. BofA recently included this largest component by weight in the Dow Jones Industrial Average on its High ...