While it is undeniable that Palantir is a high-quality data mining stock with robust AI-powered tailwinds, the company's sky-high valuation -- a price-to-sales ratio near 60 -- requires investors to exercise caution. Here's what astute investors should know about Palantir.

Palantir Technologies stock (NASDAQ: PLTR) has had a solid run, rising by almost 4x since the beginning of the year to about $66 presently.

Palantir Technologies (PLTR) is an artificial intelligence (AI)-powered tech stock that has captured Wall Street's imagination in 2024. With a market cap of nearly $150 billion, Palantir stock has returned 280% to shareholders year-to-date.

There's plenty of evidence that Palantir 's ( PLTR 1.39%) stock is in a bubble. History is not on Palantir's side, and many companies have traded around the lofty expectation its stock currently trades at, and few (if any) have worked out well for investors.