Meta +11%, ARM +17%, Nasdaq +2.26%: AI Agents Ignite a Chip Rally

Meta's consumer AI agent Muse hit No. 1 on the App Store, and the market started repricing AI demand. This time it wasn't just GPUs. CPUs, memory, networking and chip equipment all moved. But Treasury yields and oil are still too close to the line to call this a new trend after just one day.

Morning BriefSeptember 22, 2026