Front-month caustic soda futures tumbled more than 4.0% intraday to 1,535 yuan/ton, marking a record low since the contract’s listing.

China A-share brain–computer interface sector rebounded; Darui Electronics hit a 20% limit-up, Yahui Long rose >8%, EVE Energy gained >7%, Junpu Intelligent climbed >5%; Jointown and Tom Cat also advanced.

Late Oct–early Nov China and Indonesia will conduct "Sharp Blade-2026," a joint army counterterrorism exercise in Guangdong. The drill focuses on mountain joint counterterrorism rescue operations, covering mountain climbing, specialist driving, helicopter fast-roping, close-quarters assault and manned–unmanned coordination. It is the third iteration aimed at deepening bilateral military cooperation and improving joint operational capability.