All three major A-share stock indices fell by more than 1%; big finance and liquor stocks bucked the trend and strengthened, computing hardware dropped across the board, and the Hang Seng Tech Index fluctuated upwards.
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On July 21, A-shares adjusted again, with the three major stock indexes collectively declining more than 1% in the morning session. Technology stocks such as computing hardware and chip semiconductors continued to adjust, dragging the STAR 50 Index down more than 3%. Sectors such as optical modules, optical communication, and circuit boards led the declines. Major finance, automotive, and liquor sectors bucked the trend and strengthened.
Hong Kong stocks fluctuated higher, with the Hang Seng Index and Hang Seng Tech Index rising slightly at the open. Most tech stocks rose, chip stocks fell, AI large model stocks rebounded, with Zhipu rising 7%. In the bond market, most treasury futures edged higher. In commodities, domestic futures generally fell, with lithium carbonate down more than 6%. Core market trends:
A-shares: As of press time, the Shanghai Composite Index fell 1.11%, the Shenzhen Component Index fell 1.38%, and the ChiNext Index fell 1.44%.
Hong Kong stocks: As of press time, the Hang Seng Index rose 0.15% and the Hang Seng Tech Index rose 0.51%.
Bonds: Treasury futures fluctuated higher. As of press time, the main 30-year contract fell 0.02%, the main 10-year contract rose 0.01%, the main 5-year contract rose 0.02%, and the main 2-year contract rose 0.01%.
Commodities: Domestic commodity futures generally fell. As of press time, Shanghai silver, soybean meal, and shipping index rose more than 1%. Only a few varieties such as Shanghai copper, palladium, pulp, alumina, Shanghai gold, and stainless steel edged up. Shanghai tin, platinum, caustic soda, glass, Shanghai nickel, Shanghai aluminum, rapeseed, polysilicon, asphalt, silicon metal, crude oil, and hot-rolled coil all fell; manganese silicon, rebar, rubber, fuel oil, iron ore all dropped more than 1%, eggs, coke, coking coal fell more than 2%, and lithium carbonate fell sharply by more than 6%.
09:58
In the morning session, the optical fiber sector fluctuated and weakened. Changfei Optical Fiber and Tongding Internet hit limit down, Changying Tong fell more than 10%, Yongding Co., Hengtong Optoelectronics, Tefa Information, and Zhongtian Technology led the declines.

09:50
The semiconductor materials sector continued its adjustment. Youyan Silicon Industry hit the 20cm limit down. Previously, Grinda had four consecutive limit-down sessions. Zhengguang Co. and CSSC Special Gas fell more than 10%, Heyuan Gas and Huate Gas also led the declines.

09:43
The computing power leasing concept dipped and then rebounded in the morning, Zhongjia Bochuang had three limit-up sessions in five days, Meiliyun previously had two consecutive limit-ups, Litong Electronics, Yangdian Technology, Yitong Century, and Hanggang Co. followed the rise.

In terms of news, the computing power sector welcomes new catalysts. Kimi suspended new C-end user subscriptions due to tight computing resources; Meta intends to lease computing power to Anthropic, with a contract cap of ten billion USD. The Ministry of Industry and Information Technology stated it will issue guidelines for the construction of a computing power standards system, promoting the establishment of standards for computing service capacity assessment and market-based pricing of computing power.
09:36
The ChiNext Index surged more than 1%. Precious metals and digital currency sectors led the gains, with nearly 2,200 stocks rising across the Shanghai, Shenzhen, and Beijing exchanges.
09:34
The Hang Seng Tech Index's gains expanded to 1%.

09:34
The electricity sector slumped in early trading, with Hunan Development and Hangzhou Thermoelectricity hitting limit down, South China Electricity A, Guiguan Power, and Ningbo Energy followed the declines.
09:26
The Shanghai Composite Index opened up 0.42%, and the ChiNext Index opened up 0.76%. The semiconductor industry chain rebounded, with ASIC chips, glass fiber, advanced packaging, and memory sectors leading the gains. Precious metals and engineering machinery sectors performed strongly. Oil and gas extraction, and copper clad laminate concepts led the declines.

09:21
The Hang Seng Index opened up 0.03%, and the Hang Seng Tech Index opened up 0.07%. Resource stocks and tech stocks led gains.

09:01
Most domestic commodity markets opened lower. New energy materials led the declines, with lithium carbonate down 3.64%; most ferrous metals fell, with coking coal down 2.73%; all energy products declined, with low-sulfur fuel oil down 2.10%; most agricultural and by-product futures fell, with eggs down 1.79%; most chemicals fell, with No. 20 rubber down 1.19%; basic metals led gains, with international copper up 1.51%; all precious metals rose, with Shanghai silver up 1.50%; most oils and oilseeds rose, with soybean meal up 1.29%; all shipping futures rose, with shipping index (Europe route) up 0.92%; non-metal building materials were mixed, with PVC up 0.48%.

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