What Could Go Wrong With Palantir Stock?

Palantir Technologies (PLTR) turned 42.8% of its sales into operating profit over the past twelve months. A year earlier that figure, the operating margin, was 16.6%. The margin matters because holders pay 151.2 times earnings for the stock, against 21.4 for the S&P 500. At that price, holders have a lot to lose if profit slips. What lifted Palantir's margin that far in a single year.