Group 1 - The core point of the article is that Dalu Aviation Technology Holdings (00232) experienced a significant stock price increase of over 15% due to positive expectations regarding its mid-term performance, with a projected after-tax profit of at least 55 million HKD for the first half of the year, compared to 7.05 million HKD in the same period last year [1] - The increase in profit is attributed to the completion of new facilities, the introduction of new production equipment, and the stabilization of a new enterprise resource planning system, which have all contributed to a significant enhancement in the production capacity of general aviation piston engines [1] - The company is recognized as a leading global manufacturer of general aviation piston engines, holding a market share of 28% in 2024 new piston aircraft engine deliveries, an increase of 2 percentage points from 2023, ranking second globally [1] Group 2 - Dalu Aviation Technology Holdings has approximately 800 million HKD in cash and no bank loans, with cash representing about 80% of its market value [1] - The company's historical price-to-earnings ratio, after excluding cash, is 3.5 times, indicating a potentially undervalued position in the market [1] - The company is considered a rare asset in the Hong Kong-listed general aviation industry, with expectations that its operations in the U.S. market will not be significantly disrupted despite political risks [1]