Cathie Wood, chief of Ark Investment Management, often makes big bets on her target tech stocks. Sometimes, she’ll buy them on the way down, hoping for a bargain. And sometimes she’ll even acquire them on the way up.

So, the Palantir growth story has been all about riding the AI wave to Valhalla but, in sharp contrast, chip giant AMD’s trajectory has been more akin to a slog through the AI swamp. While PLTR stock has surged, AMD shares have been unable to show any AI-driven gains, with the stock actually falling by 32% over the past 12 months.

Star portfolio manager Cathie Wood’s Ark Investment Management filed its 13F holdings report for the fourth quarter on Feb. 4.  As usual, there were many moves into and out of the investment management firm’s holdings.

Palantir has been one of the biggest winners of the accelerating adoption of artificial intelligence (AI). A planned sale of the stock by the company's CEO, as well as planned cuts to the U.S. defense budget,

Cathie Wood’s Ark Invest is continuing its selling spree in Palantir Technologies (PLTR). Last week, the closely watched fund manager offloaded another more than $47 million worth of PLTR stock as part of a broader portfolio reshuffling.

If you have been following the artificial intelligence (AI) revolution over the past two years, chances are you're familiar with a software company called Palantir Technologies (NASDAQ: PLTR). Since last January,

Shares of Palantir Technologies ( PLTR -10.08%) fell on Wednesday. The company's stock lost 10.1% as of market close and lost as much as 12.9% earlier in the day. The drop comes as the S&P 500 ( ^GSPC 0.