Warren Buffett announced Saturday that he will retire as Berkshire Hathaway’s (BRK.A) CEO at the end of 2025 and hand the reins to Greg Abel, a transition that’s long been expected given that Buffett publicly named Abel as his successor in 2021.

"You're losing one of the most esteemed investors one could argue of all time," a source said of investors' reaction to Buffett's plan to step down.

Buffett talked about U.S. trade, the stock market and his own future at Berkshire Hathaway's annual shareholder meeting. Here are the highlights.