Since last Friday, shares of the digital audio company Sirius XM Holdings ( SIRI -3.06%) are now trading 13.5% lower as of 1:52 p.m. ET Thursday. Sirius, a stock Warren Buffett's Berkshire Hathaway has been piling into, fell after the company's chief financial officer (CFO) spoke about concerns for the sector.

Fact checked by Katie Reilly Warren Buffett is widely regarded as one of the greatest investing minds of all time. The "Oracle of Omaha" earned a bachelor's degree from the University of Nebraska and a master's degree in economics from Columbia University,

Warren Buffett is famous for his patience, as well as his sharp focus on finding investments that are priced at the right valuation, and equipped to continue gaining in value for years and years. Something he isn't as famous for is that he detests all forms of cryptocurrency,

Susquehanna's Jeff Yass now ranks 23rd on the Bloomberg rich list with a $63 billion fortune, reflecting his early bet on TikTok-owner ByteDance.

When Warren Buffett’s Berkshire Hathaway’s makes a major move, pay close attention. Most times, his moves serve as a key barometer of the direction of the overall market. For example, in 2024, Berkshire sold $134 billion worth of stock.