Warren Buffett's decision to invest $1 billion in Coca-Cola 1998 has to be one of his most significant investments of all time.
Considering the size of the investment (he bought 6.2% of the company), you could be forgiven for thinking that Buffett had spent days and weeks analyzing the business. Reviewing its prospects from every angle and working out exactly how much it could be worth in different scenarios.
However, according to a lecture he gave to students of the Notre Dame University in spring 1991, his decision to invest was based...

