There have been few better stocks to own over the past three months than Palantir ( PLTR 1.42%). The stock more than doubled in that time, far outperforming both indexes and other market leaders. This performance can be traced to several events, notably Palantir's inclusion in the S&P 500 in September and its blowout Q3 earnings.

Shares rose in European trading after a retreat in Asia on Thursday following a report showing inflation in the U.S. was roughly as expected last month. Germany's DAX surged 1.2% to 19,223.90 and the CAC 40 in Paris advanced 0.