伯克希尔继续增持日本“五大商社”，巴菲特买成“主要股东”

Group 1 - Berkshire Hathaway, led by Warren Buffett, has increased its stake in Mitsui & Co. to over 10%, marking it as a "major shareholder" [1] - This move signals Buffett's confidence in the Japanese market, following a similar increase in stake in Mitsubishi Corporation [1] - The market reacted positively, with Mitsui & Co.'s stock price initially rising by 2.2% before settling at a 1.75% increase, while other major trading companies also saw stock price increases [1] Group 2 - The increase in stake represents a subtle shift in Berkshire's investment strategy, as Buffett initially planned to keep holdings below 10% [4] - Japanese companies have agreed to "moderately" relax the holding limit, allowing Berkshire to become a major shareholder and engage more deeply in their future developments [4] - Analysts view Buffett's continued investment as a positive signal for Japanese trading companies, which have shown resilience amid commodity price fluctuations and have focused more on shareholder returns [4]