Taiwan Semiconductor Manufacturing Company's shares climbed 2% to a record close after Elon Musk confirmed he is in early-stage talks with the company about supplying chips for his planned "Terafab" computing plants, according to a Yahoo Finance report on the day's session.

Musk's confirmation — that discussions with TSMC are at an early stage — was enough to move the world's largest contract chipmaker to an all-time high, even though no volumes, dollar values or timelines accompanied the statement. Broadcom also rose 2% in the same session, while Qualcomm pulled back.

What is a "Terafab" and why does it matter?

Musk has used the term Terafab to describe hyperscale AI compute facilities — factories of chips rather than factories making chips — aimed at training and running frontier artificial intelligence models. If TSMC becomes a supplier to that effort, Musk's projects would join an AI accelerator pipeline that already ties the foundry to the largest spenders in semiconductors.

For TSMC, the timing is favorable. The company has spent recent years ramping advanced nodes and expanding capacity outside Taiwan, and AI demand has been the strongest driver of that buildout. A new, well-funded customer category — infrastructure-level AI compute promoted by one of the world's richest executives — extends that demand curve further.

How did the market react?

The reaction was concentrated in exactly the names an AI supply-chain trade would predict:

• TSMC: up 2%, closing at a record high
• Broadcom: up 2%, in sympathy with AI silicon suppliers
• Qualcomm: pulled back over the same session

The divergence is consistent with how investors now segment the market: foundry and custom-AI-silicon names rise on incremental AI compute headlines, while handset-centric chipmakers such as Qualcomm do not capture the same benefit.

What remains unconfirmed?

Everything beyond the talks themselves. Musk described the discussions as early, and neither TSMC nor Musk has disclosed:

• Which process nodes or wafer sizes would be involved
• Any volume commitments or capacity reservations
• Financial terms, deal value or a target start date

Until those details emerge, the record close reflects expectation rather than contracted revenue. Early-stage supply talks of this kind frequently do not produce binding agreements, and TSMC's capacity for advanced packaging and leading-edge wafers is already substantially committed to existing large customers.

What comes next?

Investors will watch for any formal capacity agreement, node announcement or capex signal from TSMC tied to Musk's compute ambitions — and whether Broadcom's custom-silicon franchise or Qualcomm's roadmap eventually intersects with the same program.