I'm aware of the nature of compounding returns and inflation. Compare BA to other companies that have been publicly listed for a long time. KO, CAT, MMM, IBM, a

I'm aware of the nature of compounding returns and inflation. Compare BA to other companies that have been publicly listed for a long time. KO, CAT, MMM, IBM, and so on. BA has had a markedly-parabolic rise over the last 4 years.