U.S. markets suffered a simultaneous selloff in both stocks and bonds overnight, with crude oil surging 7% to break above $100 per barrel. Fresh U.S. inflation data showed producer price index growth exceeding expectations, reigniting inflation concerns and pushing the probability of a September Federal Reserve rate hike to nearly 70%. Asian equities fell collectively, with both Japanese and South Korean markets dropping.

On September 11, China's A-share market opened lower and continued to slide, with all three major indices falling more than 1% in early trading. Non-ferrous metals, agricultural fertilizers, brokerages, and retail sectors underwent collective adjustments, while concept stocks including minor metals, lithium mining, nickel mining, and copper industries suffered heavy losses. Oil and gas, banking, and power sectors bucked the trend with active gains. Chip semiconductors also came under pressure, with storage chips leading the decline as Gigadevice Semiconductor Inc. and other related names moved lower. Computing hardware showed localized strength, with CPO, optical communications, and high-speed copper connectivity stocks rallying.

Hong Kong stocks opened lower and extended losses, with the Hang Seng Index and Hang Seng Tech Index both widening their declines. Heavily weighted tech stocks continued their downward momentum, while chip semiconductors also fell. In the bond market, treasury bond futures declined across the board. In commodities, most domestic commodity futures fell, with metal futures leading the losses.

Core Market Performance:

A-shares: As of press time, the Shanghai Composite Index fell 1.59%, the Shenzhen Component Index dropped 1.50%, and the ChiNext Index declined 1.03%.

Hong Kong stocks: As of press time, the Hang Seng Index fell 1.40%, and the Hang Seng Tech Index dropped 1.56%.

Bond market: Treasury bond futures fell across the board. As of press time, the 30-year main contract dropped 0.09%, the 10-year main contract fell 0.03%, the 5-year main contract declined 0.02%, and the 2-year main contract slipped 0.01%.

Commodities: Domestic commodity futures broadly declined. As of press time, fuel oil and crude oil rose over 5% against the trend, the container shipping index gained more than 3%, and a few products including glass, asphalt, and soybean meal moved higher. Pulp, eggs, polysilicon, ferromanganese, and hot-rolled coils fell, while caustic soda, rebar, rubber, Shanghai aluminum, Shanghai nickel, stainless steel, Shanghai gold, iron ore, and industrial silicon dropped over 1%. Coking coal, coke, alumina, Shanghai tin, and Shanghai copper fell more than 2%, while lithium carbonate, palladium, platinum, and Shanghai silver all plunged over 4%.

09:51
The STAR 50 Index continued to weaken, dropping over 2% intraday and hitting a new low since May 2026.

The agricultural sector extended its adjustment in early trading, with Xinjiang Tapai Co. hitting the daily limit down, while Zhongji Health, COFCO Technology, Hainan Rubber, Yasheng Group, Dunhuang Seed, and Tianshan Bio all dropped over 5%.

09:49
The non-ferrous metals sector faced heavy selling pressure, with Zijin Mining, CMOC Group, Hongqiao Holdings, Chalco, Jiangxi Copper, and Yunlv Co. leading the declines. Overnight, COMEX gold futures fell 2.29%; London base metals declined across the board, with LME copper dropping 3.96%.

09:37
Zhongji Innolight Co., Ltd., Eoptolink Technology Inc., Ltd., YOFC, FiberHome Telecommunication, and Zhongtian Technology strengthened, with the optical communications sector actively rallying against the market trend.

On the news front, at the China International Optoelectronic Expo held from September 9 to 11, multiple manufacturers showcased 1.6T high-speed optical modules and CPO/NPO solutions. The 1.6T products have gradually entered the phase of ramping up to scale production, while 3.2T and higher-speed products have begun advancing into sample delivery and customer validation stages.

09:32
The Shanghai Composite Index and Shenzhen Component Index both dropped over 1%.

09:26
The Shanghai Composite Index opened down 0.6%, and the ChiNext Index fell 0.85%. Non-ferrous metals, agriculture, and semiconductor sectors adjusted, while oil and gas and shipping sectors strengthened.

09:25
Suiyuan Technology surged 188.37% on its first day of listing.

09:21
The Hang Seng Index opened down 0.95%, and the Hang Seng Tech Index dropped 1.36%. CMOC Group, Zijin Mining, Jiangxi Copper, and Alibaba adjusted, while the oil and gas sector strengthened.