
Warren Buffett practically wrote the book on buy-and-hold investing, so when the Oracle of Omaha sells stock after just a few months, he must have good reason.
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.