MilesGregarius
Half-baked Renegade
With the advantage of a hindsight, a person in the 1950s should buy as much IBM stock as possible, The other tech companies at the time, Sperry Rand, RCA, GE-Honeywell, all collapsed.
With that kind of hindsight, you may as well buy the others as well. If you know when a company is going to crash, you know when to dump shares.