the only way to settle this is to sum the market cap of both companies over their entire history while adjusting all values for inflation
keep in mind that IBM[0] is over a hundred years old, and microsoft isn't even half of that [0]
[0] wikipedia
keep in mind that IBM[0] is over a hundred years old, and microsoft isn't even half of that [0]
[0] wikipedia
it would merely settle "for now" becuase as soon as either of them get succeded you will have to repeat the contest