Buffett’s upcoming retirement has weighed down Berkshire's stock performance. However, the company's core businesses are healthy, and Buffett's successor has plenty of experience. Its business is built to keep growing for decades to come.

I would like to receive updates and special offers from Dow Jones and affiliates. I can unsubscribe at any time.

Warren Buffett's Berkshire Hathaway increased its holdings in UnitedHealth Group stock, and also added positions in D.R. Horton, Lamar Advertising, and Nucor.