On September 9, HUANENG POWER rose 3.12% in regular trading, trading at HK$5.93/share, with turnover of approximately HK$97.96 million.

On the news front, the Hong Kong Stock Exchange disclosed that BlackRock, Inc. increased its long position in HUANENG POWER H-shares from 4.87% to 5.15% on September 3, crossing the 5% disclosure threshold — a signal of meaningful institutional accumulation by the world's largest asset manager. BlackRock's short position also edged up marginally from 1.55% to 1.56%.

At the sector level, Independent Power Producers broadly strengthened, with DATANG POWER surging 6.02%, CHINA RES POWER gaining 1.43%, HUADIAN POWER up 0.86%, and CHINA POWER rising 0.70%, providing a supportive backdrop for the rally.

It is worth noting that HUANENG POWER had previously dropped over 7% on August 19 following its interim results, which showed a 28.89% year-on-year decline in first-half net profit to RMB 6.586 billion, with second-quarter profit falling 53% sequentially. The current rebound occurs against this post-earnings weakness.

(The above content is based on publicly available market information, generated by a program or algorithm, and is intended solely as a stock movement alert. It does not constitute investment advice or a basis for trading decisions.)