CNBC's Daily Open discusses the impact of Washington's attempts to control the Iran conflict on global markets, including the Hormuz blockade, and the OPEC+ output hike. In his first annual meeting as CEO, Berkshire Hathaway's Greg Abel discussed topics such as artificial intelligence and efforts to grow the conglomerate. Buffett compared markets to gambling, comparing them to "a church with a casino", stating that current enthusiasm for short-term options trading and increasing interest in prediction markets is a form of gambling.