The 92-year-old CEO of Berkshire Hathaway said he dumped the bulk of his $4.1 billion stake in Taiwan Semiconductor Manufacturing Co. (TSMC) within the space of one financial quarter last year in part owing to the risk of war in the island nation.
https://finance.yahoo.com/news/warren-buffett-says-threat-war-184717880.html?fr=sycsrp_catchall