US 3-month Treasury auction on Sept. 21: stop-out yield 4.015%, previous 3.97%.

Iran's Islamic Revolutionary Guard Corps said on the 21st it is prepared for a protracted war and would use new weapons and broaden the scope of fighting if the "enemy" returns. Citing an IRGC spokesman, the statement said any new "aggression" would prompt use of strategic weapons that have not previously been disclosed or used. It added Iran seeks friendly relations with its neighbors and that its missile strikes are aimed solely at US forces, equipment and bases and do not threaten neighboring countries.

Shanghai Futures Exchange issued a notice on operational arrangements for the 2026 Mid-Autumn Festival and National Day holiday period.