20:00 Beijing time, Sept. 20: at Camp David for administrative duties. Times TBD: depart Camp David for Sterling, Virginia; arrive Sterling; depart Sterling for the White House; arrive the White House.

CITIC Securities says three forces — sharply higher AI chip power draw, traditional metal heatsinks approaching physical limits, and improving diamond fabrication processes — could push diamond thermal management into its first year of industrialization. The note recommends two investment themes: focus on industry leaders that have begun small-batch heatsink deliveries, possess in‑house equipment R&D and scalable capacity; and target process leaders with large‑size manufacturing, full‑chain capabilities and accelerating capacity expansion.

Lebanon's Al-Ahed newspaper quoted Arab analyst and researcher Hassan Ali saying Saudi Arabia misjudged the strength of Yemen's Houthi forces, plunging Riyadh into a real crisis. He said recent developments on Yemen's west coast demonstrate the Houthi forces' military capability.