Intel Shares Slip as Musk Says TSMC Talks Are Under Way for Terafab

Intel shares moved lower after Elon Musk suggested the company may share the spotlight on his ambitious Terafab chip project, confirming that talks with Taiwan Semiconductor Manufacturing Co. are ongoing.

The remark matters because Intel had been seen by many investors as a central partner in helping bring Terafab's manufacturing plans to life. Any hint that TSMC, the world's largest contract chipmaker, could also be involved raises questions about how big Intel's slice of the work will be.

Musk did not lay out what a deal with TSMC might look like, or how responsibilities would be split between the two manufacturers. He only indicated that conversations with the Taiwanese company are active, leaving open whether it would complement Intel's role or compete with it for the most valuable parts of the project.

For Intel, the stakes are considerable. The company has spent years and billions of dollars trying to rebuild its foundry business and persuade outside customers that it can manufacture advanced chips at scale. A marquee partnership tied to a high-profile venture would be a powerful validation. Sharing that stage with TSMC, which has long been the benchmark for leading-edge production, risks diluting the story Intel has been telling the market.

The market reaction reflects that sensitivity. Intel's stock has been highly responsive to news about potential customers and partners, because such announcements are one of the few concrete signals of whether its foundry strategy is gaining traction. A suggestion that the work could be spread across more than one supplier was enough to take some of the air out of the shares.

There are reasons to think the situation is less negative than the initial move implies. A project of Terafab's reported scale could plausibly require more than one manufacturing partner, whether for capacity, risk management or access to different process technologies. Using several suppliers is also common practice among large chip buyers who want to avoid depending on a single source.

Still, Musk's comments underline that nothing is settled. Neither the scope of Intel's involvement nor the potential role for TSMC has been formally defined, and investors are left to interpret an offhand signal rather than a signed agreement.

Attention will now turn to whether either company provides more detail on its part in Terafab. Until that happens, Intel shareholders are likely to keep trading on headlines, with each new comment from Musk capable of shifting sentiment.