Warren Buffett's Favorite Stock Is Up Over 4,470,000% Since 1965, but You Won't Find It in His Portfolio

  • In 1965, Warren Buffett took a controlling stake in a struggling textiles company called Berkshire Hathaway (BRK.A 0.36%) (BRK.B -0.09%). After realizing its operations were no longer viable, he converted it into a holding company for his various investments.