Berkshire Hathaway's CEO Greg Abel has pledged long-term support for certain trading houses. The company has increased its stake in several major firms, including Mitsubishi, Mitsui & Co., Itochu, Sumitomo, and Marubeni.

These investments have grown to more than 10% in recent years, indicating a significant commitment. Further details on Berkshire Hathaway's strategy and plans are available from the source.

The increased stakes reflect a substantial investment by Berkshire Hathaway in these trading houses, with CEO Greg Abel's statement underscoring the company's intention to maintain its support over the long term.