OpenAI’s halo effect crowns a new AI kingmaker, shaking up a space once ruled by Nvidia’s Jensen Huang. AMD’s Lisa Su rides early gains as tech euphoria lifts markets to record highs. Meanwhile, AI euphoria and a big tech rebound push the Nasdaq and S&P to record highs, though futures signal a pullback as Wall Street reacts to a new warning from a famed investor. And finally, in Washington, the shutdown hits day seven, raising fears of an economic shock.

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.