Remember IBM? From 1960 through ~1985, IBM was the only answer for enterprise computing. And there really wasn't any other kind of computing then. IBM Research did everything from semiconductor research to databases to virtual machines. IBM was the hottest stock in the market in the 1960s, passing $600/share. (That's about $4,000 in today's money.) They eventually faded, as their customers moved to a combination of d…
On the other hand, the fact that you hear about 'new-hot-startup' on all hi-tech sites doesn't mean it'll survive it's first year.