Palantir Technologies (NASDAQ: PLTR) stock continued its winning streak on Thursday, climbing as much as 7.9%. As of 3:23 p.m. ET, the stock was still up 7.9%. The artificial intelligence (AI) software and data mining specialist continued a trend that began earlier this week when the company reported blockbuster financial results.

Palantir Technologies Inc. (NASDAQ:PLTR – Get Free Report)’s stock price was up 25.2% during mid-day trading on Tuesday after Citigroup raised their price target on the stock from $42.00 to $110.00. Citigroup currently has a neutral rating on the stock.

Key Takeaways Palantir Technologies shares soared to an all-time high Tuesday, a day after the company's outlook blew past analysts' expectations on strong demand for its Artificial Intelligence Platform.

While Nvidia stock is still pricey in many respects, it may have ceded the title of "Wall Street's biggest bubble stock" to AI-driven data-mining specialist Palantir Technologies ( PLTR -2.38%), based on what history tells us.

The AI-focused Palantir joins a group of less than 50 public American companies worth at least $200 billion, quite the turn of events for the government contractor worth less than $20 billion two years ago.