Marvell Technology (Marvell (MRVL)) shares are slipping on Friday, and it's not because anything went wrong. It's the opposite, really. After a breathtaking rally that saw the stock nearly double in less than a month, traders are doing what traders do: taking some chips off the table.

Nasdaq futures were down 0.84% and S&P 500 futures off 0.33% as of Friday morning, so the broader market isn't helping either. But Marvell's pullback looks more like a breather than a reversal.

Profit-Taking After a 102% Moon Shot

Marvell shares surged roughly 102% from $160.01 on May 7 to a new 52-week high of $324.15 earlier this week. That's the kind of move that makes even the most committed bulls want to lock in some gains. On Friday, the stock was down 2.06% in premarket trading at $309.91, according to market data.

It's a classic case of short-term profit-taking creating a little downward momentum, even as the long-term story remains intact.

The Catalysts: Custom AI Chips and a Huang Endorsement

The rally wasn't just random momentum. It had real fuel. Investor Gary Black noted on Tuesday that custom chipmakers are emerging as the big winners in the AI infrastructure buildout. He specifically called out Broadcom (Broadcom (AVGO)) and Marvell, saying they "seem to be the big winners in Wall Street's new appreciation for custom AI chips."

Then came the real fireworks. At the Computex show in Taipei, Nvidia (Nvidia (NVDA)) CEO Jensen Huang shared the stage with Marvell CEO Matt Murphy. Huang told the crowd, "The next trillion-dollar company, ladies and gentlemen." He explained that AI bottlenecks are shifting to data movement, adding, "When you take a computing challenge, and you break it down into numerous components, distributing it throughout the entire data center, connectivity becomes crucial. This is why Matt is performing so well, and why Marvell is so vital."

That's about as strong an endorsement as you can get from the king of AI chips.

Data Centers Are the Engine

Marvell's business is heavily tied to data centers, which now drive roughly 76% of its total revenue. The company focuses on optical interconnects, silicon photonics, and custom application-specific integrated circuits (ASICs) — all critical pieces of the AI infrastructure puzzle.

On the product side, Marvell recently introduced its Teralynx T100 switch, which can lower cloud data center power consumption by up to 25%. And on the financial side, the company reported quarterly earnings of 80 cents per share on May 27, beating the analyst consensus of 79 cents per share on revenue of $2.42 billion.

So yes, the stock is down today. But after a 102% run in a month, a little profit-taking is just the market catching its breath.