Key Points In 2020, Warren Buffett pointed to four businesses as "jewels" among Berkshire's holdings. They are a diverse lot -- ranging from technology and insurance to energy and railways. Five years later, Berkshire shares are up 40% as these businesses continue to deliver. 10 stocks we like better than Berkshire Hathaway › Every year since 1977, Warren Buffett has written an open letter to Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) investors. In them, he celebrates successes, takes respon ...