Core Viewpoint - Warren Buffett's Berkshire Hathaway has completely divested its shares in BYD, citing increased competition in the Chinese automotive industry, slowing performance, and geopolitical risks as key reasons for the decision [3][4][5]. Group 1: Reasons for Selling BYD - Increased competition in the Chinese automotive sector has led to a slowdown in BYD's performance, with five out of six major automotive companies reporting reduced profits or losses in the first half of 2025 [3]. - The profit growth rate of BYD has also declined compared to the previous year, indicating a potential ceiling on its performance [3]. - Geopolitical risks have influenced Berkshire's decision to reduce its stake in BYD, with the holding dropping below 5% by June 2024 [4]. Group 2: Shift to Japanese Investments - Berkshire Hathaway has increased its stake in Japanese trading company Mitsui & Co., with the shareholding exceeding 10% as of September 22 [7]. - The company has expressed a commitment to continue seeking investment opportunities in Japanese enterprises, viewing this as a strategic shift away from Chinese stocks [5][6]. - The positive market reaction to Berkshire's investment in Mitsui & Co. was evident, with the stock price rising to a new high since July 2024 following the announcement [7].