P.M. Edition for Jan. 27. Health insurers like UnitedHealth Group and Humana were shocked after the Trump administration proposed holding Medicare rates nearly steady next year—a move that could be a big hit to their finances. Anna Wilde Mathews, who covers health insurance for the Journal, discusses what that could mean for patients and the industry’s next move. Plus, the Trump administration’s immigration crackdown has slowed U.S. population growth. And Amazon is closing its Amazon Fresh and Amazon Go stores, but will open 100 more Whole Foods stores. Alex Ossola hosts. Sign up for the WSJ's free What's News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices