He offered some perspective by showing a slide of the 20 largest companies on the planet, including Apple, Microsoft, Facebook, Tesla, and his own Berkshire Hathaway. His question for investors, how many of these companies will remain in the Top 20 list 30 years from now?
Using history as a guide, Buffett then showed a slide with the Top 20 companies 30 years ago. And not a single one of those best ideas from 1989 was able to maintain their leadership position. Every company on the current list is a new entrant.
For that matter, some of the biggest companies in the world were not even around 30 years ago. Even further, some of these companies operate in industries that didn’t even exist 30 years ago.