Investors digested the formal end of Warren Buffett's six-decade tenure as chief executive and the start of a new era under successor Greg Abel.

While change for the company Buffett bought six decades ago is likely to be gradual, it is also inevitable.

Warren Buffett has handed over the reins after a six-decade run that turned an unremarkable textile mill into one of the most powerful compounding engines in history.

Investors digested the formal end of Warren Buffett's six-decade tenure as chief executive and the start of a new era under successor Greg Abel.

Warren Buffett told CNBC he'd rather have new Berkshire CEO Greg Abel handle his money "than any of the top investment advisers or any of the top CEOs" in the U.S.