Palantir Technologies stock (NYSE: PLTR) has had a solid run, rising more than 3.5x since the beginning of the year to about $63 presently.

It can be so hard to convince yourself to take some profits off of your portfolio's most prominent winners. Indeed, it feels somewhat counterintuitive to trim off the top of one's top performers. And while selling some stock after a parabolic or vertical spike may prove a poor decision over the near term (or,

Palantir Technologies, the newest S&P 500 member, was the index's best performer in 2024 as of Nov. 15. But it didn't last long.Nvidia was the biggest S&P 500 leader in 2023 and ruled for much of 2024,

Palantir (NYSE: PLTR) and Nvidia (NASDAQ: NVDA) are two of the best-performing stocks on the S&P 500 this year. In fact, they rank in second and third place for share price gains, respectively, behind only Vistra,