On April 22, the market opened lower but climbed steadily, with the Shanghai Composite Index reclaiming the 4100-point level. The ChiNext Index and the Shenzhen Component Index both rose over 1%. The ChiNext Composite Index reached a historic high, surpassing its previous peak from June 3, 2015. The total trading volume in the Shanghai and Shenzhen markets reached 2.56 trillion yuan, an increase of 151.2 billion yuan from the previous session.
The computing power hardware sector experienced a broad rally. Dongshan Precision and Changelight hit the daily limit up, reaching record highs. Industrial Fulian touched the limit-up price. Heavyweight stocks such as Eoptolink and Zhongji Innolight also set new historical highs.
Multiple optical module stocks strengthened, with industry leader Eoptolink rising 7.6% in the afternoon session to extend its record high, pushing its total market capitalization above 600 billion yuan. Changelight surged by the 20% daily limit to a new peak, while Dongshan Precision also hit the limit-up price in the afternoon, achieving a fresh high. Notably, four CPO (Co-Packaged Optics) stocks have doubled in value this year: Changelight, Robotech, Yuanjie Technology, and Dongshan Precision. Among them, Changelight has gained nearly 200%.
The computing power leasing concept continued its strong performance. Leading stock Sharetronic Data Technology Co.,Ltd. touched the 20% daily limit, with its market capitalization exceeding 120 billion yuan. The stock has surged over 75% in the past seven days and has more than doubled year-to-date, accumulating a 116% gain. Hongjing Technology rose more than 15%, with both stocks setting new records. Hangzhou Iron & Steel sealed a limit-up gain.
According to the company's announcement, Sharetronic Data Technology Co.,Ltd. expects its first-quarter net profit to surge by 284% to 402%. The core growth driver comes from the rapid deployment of its intelligent computing products and service business, with multiple computing cluster projects already delivered and entering the billing phase. Leveraging its integrated layout in "computing, connectivity, and storage," the company has deep ties with NVIDIA and supports over 50 mainstream large models including DeepSeek. Additionally, through its controlling stake in Guangwei Technology, it has entered the optical chip and optical module sectors, fully benefiting from the AI infrastructure boom.
The optical fiber concept showed repeated activity. Yongding Shares hit the daily limit, extending its record high, while Hangzhou Cable sealed a limit-up gain.
On the downside, the film and cinema sector experienced collective adjustments. Enlight Media, Bona Film Group, and Jiangsu Happiness Blue Sea Film all declined.
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