Korea Exchange activated the circuit‑breaker mechanism on the KOSDAQ.

Xin Feiguang’s optical-module plants are operating at full capacity. Guangming factory monthly output is about 100,000 800G modules and 40,000 1.6T modules; the North America plant produces roughly 10,000 1.6T modules per month. The company has won a major North American customer and plans further capacity expansion, targeting about 40 billion yuan in annual revenue within roughly three years. Founded by OFILM founder Cai Rongjun, Xin Feiguang is in a critical mass-production phase, seeking OFILM’s mass-production expertise and may pursue capital-level cooperation with OFILM to secure support.

China's crude-related futures main contracts rose across the board. SC crude up 5.08% at 461.7 yuan/barrel; low-sulfur fuel oil (LU) up 5.59% at 3,983 yuan/ton; fuel oil up 5.44% at 3,083 yuan/ton. Asphalt's decline narrowed to 1.04% at 3,805 yuan/ton.