The Shanghai Index rose by 0.5%, the Beijing 50 surged by 3%, fiber optic concept stocks exploded, AI computing power was active, the Hang Seng Tech Index rose by 0.3%, and semiconductors rallied.

The Shanghai Index rose by 0.5%, the Beijing 50 surged by 3%, fiber optic concept stocks exploded, AI computing power was active, the Hang Seng Tech Index rose by 0.3%, and semiconductors rallied.

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On April 20th, A-shares fluctuated and diverged, with the Shanghai Composite Index and Shenzhen Component Index rising in the morning session. The ChiNext Index initially fell but then continued to climb and has now turned positive. Stocks related to computing power hardware were active, and sectors like liquid-cooled servers and optical communications surged. Concept stocks in rare metals and chemical fibers strengthened. Hong Kong stocks rose slightly, with both the Hang Seng Index and the Hang Seng Tech Index rising at the opening. Most tech stocks and the semiconductor sector saw gains.

In the bond market, government bond futures rose across the board. In commodities, domestic commodity futures diverged, with polysilicon soaring over 5%, while crude oil and fuel oil fell. Core market movements:

A-shares: As of press time, the Shanghai Composite Index is up 0.45%, the Shenzhen Component Index is up 0.65%, and the ChiNext Index is up 0.33%.



Hong Kong stocks: As of press time, the Hang Seng Index is up 0.28%, and the Hang Seng Tech Index is up 0.12%.



Bond market: Government bond futures rose amid fluctuations. As of press time, the main contract for 30-year bonds is up 0.19%, while those for 10-year and 5-year bonds are flat, and the 2-year bond contract is down 0.01%.



Commodities: Domestic commodity futures diverged. As of press time, polysilicon is up over 5%, Shanghai silver is up 2%, lithium carbonate, glass, and industrial silicon are up 1%. Shanghai copper, platinum, rubber, palladium, Shanghai tin, coking coal, rebar, coke, Shanghai gold, hot-rolled coils, iron ore, pulp, manganese silicon, and container shipping index are all up. Asphalt, soybean meal, alumina, stainless steel, Shanghai nickel, eggs, caustic soda, rapeseed, etc. are down. Shanghai aluminum and methanol are down over 1%, propylene, ethylene glycol, and crude oil are down over 2%, fuel oil is down over 3%.

09:54

The Beixin 50 Index's gain expanded to 3%.

09:46

The Beixin 50 rose over 2%. Kaihua Materials, Huitong New Materials, Jikang Technology all rose nearly 20%. Chuangda New Materials, Kaitian Gas, Shuguang Digital Creation, and Hengli Drilling Tools, etc. surged sharply.

On the news side, several fund companies raised the share cap for Beixin 50 Index Fund products from 500 million units to 1.5 billion units, with multiple Beixin 50 Index Funds resuming large-scale purchase business.

09:40

The computing power chip concept was once again active in the morning session. Pinggao shares achieved a 20cm three-day consecutive board, Rindong Holdings hit the price limit, Ao Jie Technology, Haiguang Information, Shengshi Technology, and Cambrian followed.

On the news side, Intel and AMD have notified customers of price increases for the full range of server CPUs, with delivery periods significantly extended. Since February, general CPU price increases are in the range of 10–15%. AMD has repeatedly stated that its 2026 CPUs are fully sold out, and the annual growth rate of its data center business in the next 3–5 years may exceed 60%, with no sign of slowing or stopping in short-term demand.

09:36

The optical fiber concept collectively strengthened, with Tongding Interconnected hitting the price limit. Yangtze Optical Fiber, Zhongtian Technology, Hengtong Optic-Electric, and Optoelectronic Co. rose in tandem.

On the news side, since the beginning of this year the optical fiber sector has shown a boom with both volume and price rising. The head of a Jiangsu optical fiber producer recently remarked that Q1 optical fiber output and sales increased nearly fivefold year-on-year, and product prices have surged as well. The price of G.657.A2 optical fiber per core kilometer rose from 32 yuan last year to 240 yuan this year, an increase of 650%.

09:32

The liquid-cooled server concept repeatedly strengthened, with Kangsheng shares achieving four boards in seven days. Shengyang shares, Kerry Technology, Huaqin Technology, Chuanrun shares, Shenling Environment, and Feirongda also rose.

On the news side, institutions pointed out that the value of liquid-cooled architectures and systems varies with chip power and cabinet architecture. GB200 and GB300 computing trays shipped in 2025 will use a hybrid cooling method of 85% liquid cooling and 15% air cooling. Vera Rubin NVL72 computing racks to be shipped from 2026 will use 100% liquid cooling, while Rubin Ultra and Feynman will have higher power, and overseas markets are expected to gradually enter the full liquid cooling era.

09:26

The Shanghai Composite Index opened up 0.05%, ChiNext Index down 0.57%. Superhard materials, BC batteries, cloud computing, UHV concept stocks strengthened. Lithium batteries, AI applications, and CPO themes weakened.

09:21

The Hang Seng Index opened up 0.17%, Hang Seng Tech Index up 0.34%. Kingsoft Software, JD Health, SMIC, XPeng Group, and Tongcheng Travel led the gains. Orient Securities rose over 13% and will acquire 100% equity in Shanghai Securities.

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