Weichai Power's stock surged 5.05% during intraday trading on Wednesday, marking a significant upward movement for the heavy machinery and power generation company.

The rally appears driven by multiple positive catalysts. Firstly, a Goldman Sachs research report highlighted that Weichai's key partner, Generac, reported better-than-expected first-quarter 2026 results. Generac's data center order backlog grew substantially, and management is exploring significant capacity expansion, which directly benefits Weichai through its Baudouin brand large-bore diesel engines. Goldman Sachs emphasized Weichai's strategic transition from a traditional engine leader to a player in the AI data center power generation business, which is expected to become a core growth driver.

Concurrently, Daiwa significantly raised its target price for Weichai's H-shares from HK$40 to HK$50, updating its forecasts to reflect the strong profit performance of the company's power supply business in Q1 2026. The bank now projects stronger net profit growth for 2027-2028, primarily fueled by robust demand from AI data centers. This positive institutional sentiment, noting the market's re-rating of Weichai towards its power transition story, has provided further support for the stock's upward move.