In 1998, the city of New York was stunned when this apparently modest couple died, leaving an estate worth over $700 million. That's the power of 20%-plus average compounding for 34 years! And it came courtesy of their young Columbia graduate ... So now, Cadbury investors could take the ?Buffett approach? of buying while the boardrooms haggle over the final price, thus profiting as the stock drifts higher. If another bidder enters the fray, the price goes up further. ...