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,

Shares of Palantir Technologies (NYSE: PLTR) have advanced more than 250% year to date due to strong financial results. This was driven by strong demand for its artificial intelligence (AI) platform and excitement surrounding the company's addition to the S&P 500.

In a week when the broad market rally lost some steam, Palantir Technologies Inc. (NYSE: PLTR) ended the week on a tear. PLTR stock was up 9.13% at the close of trading on November 15. The catalyst for the price movement was the announcement that Palantir was leaving the New York Stock Exchange and would be listed on the NASDAQ exchange.