Hong Kong stocks rose after three days of declines, as investors geared up for a busy day of earnings reports from major Chinese companies like Alibaba Group Holding and Industrial and Commercial Bank of China (ICBC).

The Hang Seng Index rose by 0.32%, the Hang Seng China Enterprises Index increased by 0.35%, the Hang Seng Tech Index climbed by 0.54%.

Guotai Junan International up over 15%; Jiangxi Copper up over 8%; BYD Electronic up over 7%; Chifeng Gold up nearly 6%; CATL up over 4%.

In terms of sectors, the Hong Kong gold stocks sector saw significant gains. Zijin Mining rose by 3.65%, Chifeng Gold increased by 5.83%, and Lingbao Gold surged by 15.46%. The Hong Kong pharmaceutical outsourcing concept stocks also performed well, with Wuxi Apptec rising by 6.52% and Pharmaron increasing by 2.15%.

Guotai Junan International surged by 15.69% after announcing the official launch of cryptocurrency trading services in Hong Kong. The company's positive financial performance in the first half of 2025, with a 30% revenue increase and substantial profit growth, further boosted investor confidence.

CATL shares surged by 4.17% following an earnings report from a supplier, driven by optimistic sales prospects.

ZTE fell by 9.27% as the company reported a net profit decrease of 11.77% for the first half of 2025, despite a 14.51% increase in revenue.

BYD Electronic experienced a significant rise of 7.30% in its stock price, driven by anticipation of its financial report release later today.

Jiangxi Copper reached a historical high with an 8.56% increase in its stock price, following a report of nearly 20% net profit growth for the first half of 2025.