An early investor in Warren Buffett's Berkshire Hathaway is now worth $3 billion – and joined the Forbes 400 this year

An early investor in Warren Buffett's Berkshire Hathaway is now worth $3 billion – and joined the Forbes 400 this year

Warren Buffett.Rick Wilking/Reuters <ul> <li>An early Berkshire Hathaway investor joined the Forbes 400 list of wealthiest Americans this year.</li> <li>Stewart Horejsi, who first bought into Warren… [+2565 chars]

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