Top 10 A-share ETF gainers were all grain ETFs; several grain ETFs rose more than 2%.

CUSTOMS: China imported 42.092 mln tonnes of coal and lignite in August, down from 42.728 mln tonnes in July.

Goldman Sachs sharply raised its global optical module market forecast, now projecting market size at about $67.7bn in 2026, $131.4bn in 2027 and $148.5bn in 2028—up 33%, 81% and 115% versus its prior outlook. Goldman says the revision reflects not just higher AI server counts but a structural shift to higher-speed networking in AI server architectures and a rising optical-module count per GPU/ASIC, driving rapid demand growth for 800G, 1.6T and 3.2T modules.