These otherworldly returns had their origin in that aging New England textile company, which today has a market capitalization of $140 billion and virtually the same number of shares. Buffett bought his first share of Berkshire for $7; today it trades for over $120,000 a share. How, from such an unlikely starting point, Buffett effected this remarkable transition and how his background as an investor shaped his unique approach to managing Berkshire is a compelling story.