P.M. Edition for July 24. President Donald Trump took a rare step visiting the Federal Reserve. The $2.5-billion renovation to its headquarters has gotten renewed attention this month as Trump has ramped up pressure on Federal Reserve Chair Jerome Powell. WSJ White House reporter Meridith McGraw discusses what this might mean for the Fed’s meeting next week. Plus, Walmart has built dozens of artificial intelligence agents to interface with everyone from customers to suppliers. Now the retailer is overhauling its approach; WSJ enterprise technology reporter Isabelle Bousquette explains why. And, for the first time, UnitedHealth Group has confirmed it’s responding to Justice Department probes. Alex Ossola hosts. Sign up for the WSJ's free What's News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices

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“What did the council decide on item 42?” — answered with the speaker and the moment.