巴菲特再度加仓！伯克希尔持股三井物产超10%，日本商社股集体上扬

Group 1 - Berkshire Hathaway, led by Warren Buffett, has increased its stake in Mitsui & Co., becoming a major shareholder with over 10% voting rights, indicating strong confidence in the long-term investment appeal of Japanese trading companies [1] - Following the announcement, Mitsui & Co.'s stock price rose by up to 2.2%, and other major trading companies in Japan also saw their stock prices increase [1] - Buffett initially disclosed his holdings in Japan's five major trading companies in 2020, and these companies have consistently outperformed the Japanese Topix index, benefiting from Buffett's endorsement [1] Group 2 - Analyst Ryunosuke Shibata from SBI Securities noted that while the increase in stake in Mitsui & Co. was not unexpected, Buffett's continued investment will provide strong upward momentum for the Japanese trading sector [2] - The diversified business nature of Japanese trading companies allows them to better navigate commodity price fluctuations compared to their overseas counterparts, while also increasing shareholder returns [2]