On August 27, WEICHAI POWER (02338) fell 3.18% in regular trading, trading at HK$31.1/share, with turnover of HK$220 million.

On the news front, the company's board of directors convened on the same day to review interim results for the six months ended June 30. The stock had rallied for two consecutive sessions prior, including a 3.05% gain on August 26, as investors positioned ahead of the earnings review and the upcoming Hang Seng Index inclusion effective September 7. The decline exhibited a classic \"buy the rumor, sell the news\" pattern, with short-term funds choosing to lock in gains at the earnings release window.

Adding to selling pressure, the stock had previously corrected over 6% following the announcement of its inclusion in the Hang Seng Index, and the subsequent rebound attracted profit-taking from recovery-driven positions. Analysts have noted that the company's core growth engine has shifted toward high-growth AIDC power generation business, with related profit contribution expected to rise continuously, supporting a potential re-rating over the medium term.

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