P.M. Edition for April 6. New research shows that the upper middle class has tripled in size over the last 50 years. Economics reporter Rachel Ensign explains what’s helping people move up the income ladder. Plus, Iran has rejected a cease-fire proposal from the U.S. a day before President Trump’s deadline to reopen the Strait of Hormuz. And OpenAI and Anthropic are both expected to go public later this year. Journal reporter Berber Jin takes a deep dive into their finances and finds their Achilles’ heel is the soaring costs needed to train new AI models. 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.