Warren Buffett's Japanese stock holdings have surpassed $41 billion as the Nikkei 225 index surged past the 56,000-point mark for the first time. This significant rise in the index, which gained over 2,000 points, has boosted the value of Berkshire Hathaway's investments in Japan's five major trading companies. Since 2019, Buffett has strategically invested in these Japanese firms, with an initial investment cost of approximately $13.8 billion. The recent market rally in Tokyo has resulted in nearly $2 billion in daily floating profits for Berkshire, marking a near threefold appreciation of its Japanese stock portfolio.