CEOs Celebrate Buffett as He Calls a Close on 5,500,000% Run (1)

Apple’s Tim Cook called him inspiring. Oaktree’s Howard Marks dubbed him “the Isaac Newton of investing.” JPMorgan’s Jamie Dimon said he’s “everything that is good about American capitalism.”

As Warren Buffett called an end to his historic run atop Berkshire Hathaway Inc., luminaries from the technology and banking worlds rushed to praise the man whose lessons they partially credit for their success.

The famed investor delivered a return of more than 5,500,000% on Berkshire’s stock as he turned a once-failing textile firm into the most valuable company in the world that isn’t either a tech giant or state oil ...