Sou Hu Cai Jing·2025-05-26 09:00Group 1 - Warren Buffett has returned to the Chinese stock market after 17 years, indicating a strategic investment opportunity [1][5] - Buffett's past investments, such as in PetroChina and BYD, have yielded significant returns, showcasing his investment acumen [3] - The Gates Foundation, closely associated with Buffett, has made substantial investments in two Chinese companies, signaling confidence in their potential [5] Group 2 - The first company is a leading automotive parts supplier, integral to major car manufacturers like BYD, Geely, and Xiaomi, with the Gates Foundation acquiring 5.61 million shares [6] - The second company is a global leader in the chemical industry, with a focus on light hydrocarbon production, where the Gates Foundation purchased 32.34 million shares, and other foreign investors bought 225 million shares [6] - This second company has a low price-to-earnings ratio of less than 10 and is planning a buyback of 400 million shares, indicating it is undervalued and has strong institutional support [6]