A.M. Edition for Sept. 15. China escalated its regulatory campaign against U.S. chip giant Nvidia, heightening pressure on Washington as senior officials from both countries meet in the latest round of trade negotiations. Central to those talks is whether social-media app TikTok can continue to operate in the U.S. Plus, WSJ’s Paul Kiernan explains how falling response rates to economic surveys are undermining key government data, including the monthly jobs report. And, why we’re in the midst of a modern-day gold rush. Caitlin McCabe 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.