TSMC reported September revenue of NT$511.86 billion, up 54.6% YoY.

Guyana's average oil production in August was 832,000 barrels per day.

On Oct. 8 morning A-share optical-chip concept stocks fell sharply. Changguang Huaxin and Yuanjie Technology hit 20% limit-down, Shijia Photonics fell >15%, Yongding fell >6% and Dongshan Precision hit limit-down. Market chatter circulated that optical-chip prices—particularly 1.6T-compatible chips—are under downward pressure. Direct checks: Changguang Huaxin and Yongding said they have not received any information about price cuts and declined to speculate on the stock moves. Shijia Photonics said it has no information on price reductions and suggested the sector adjustment may be linked to Morgan Stanley’s Oct. 1 research note on FCC policy.