Group 1 - Berkshire Hathaway Inc. disclosed a $4.9 billion stake in Alphabet Inc., marking a rare investment in the tech sector by Warren Buffett [2] - Jeff Bezos is launching a new AI startup called Project Prometheus, which has secured $6.2 billion in funding and aims to hire 100 employees, focusing on AI applications in engineering and computer manufacturing [3] - Clayton Dubilier & Rice has acquired Sealed Air Corp. for $6.2 billion, with the stock price previously surging due to takeover rumors before easing back after the buyout price was revealed [4] Group 2 - The digital asset market is experiencing a selloff, with smaller altcoins reaching their lowest levels since November 2020, as tracked by the MarketVector Digital Assets 100 Small-Cap Index [4] - Bitcoin has lost almost all of its gains from 2025, while Ethereum is down approximately 5% year-to-date [4]