Nick Wass/AP Images for Dogfish Head and Samuel Adams
- A beer billionaire's investment strategy is to randomly pick a stock to buy every couple of weeks.
- Boston Beer Company's Jim Koch trusts his family's former babysitter to oversee his stock portfolio.
- At age 12, Koch bought two shares of Procter & Gamble for about $140. They're now worth $20,000.
A beer billionaire likes to randomly pick a stock to buy every two weeks — and trusts his family's former babysitter to carry out the trade.