Berkshire Hathaway isn't a company like Amazon or Apple. They don't have a business or a product to invest in. They are a investment company, which has to ident

Berkshire Hathaway isn't a company like Amazon or Apple. They don't have a business or a product to invest in. They are a investment company, which has to identify successful businesses and invest there. Also after a while so you sort of max out of how much you can play that game over the years. And Warren Buffet is a man who is very picky about where he puts his money. Its hard to get a never ending supply of companies with Moats.