Group 1 - China National Heavy Duty Truck Group Co., Ltd. (China National Heavy Duty Truck) has experienced a decline in stock price for four consecutive trading days, with a cumulative drop of -5.46% [1] - The company, established in 1956, is a pioneer in China's heavy-duty truck manufacturing, producing the first heavy-duty truck in China in 1960, which marked the end of the country's inability to manufacture heavy-duty vehicles [1] - In the second quarter of this year, China National Heavy Duty Truck's major shareholder, China Europe Fund's China Europe Dividend Enjoyment Mixed A Fund, increased its holdings [1] Group 2 - The China Europe Dividend Enjoyment Mixed A Fund has achieved a year-to-date return of 26.68%, ranking 201 out of 2105 in its category [1] - The fund manager, Lan Xiaokang, has a strong background in industry research and fund management, having worked in various financial institutions since 2011 [3][4] - The fund currently manages assets totaling 155.58 billion yuan, with a return of 140.40% during Lan Xiaokang's tenure [4]