Major Arizona Expansion Announced

Amkor Technology (NASDAQ: AMKR) shares soared 12% premarket Tuesday after the company announced it has broken ground on a new semiconductor advanced packaging and test services campus in Arizona.

The project’s investment plan was raised to $7 billion across two phases, significantly higher than earlier estimates.
The announcement was made in collaboration with the Trump Administration.

Investment Details

The expansion includes:

Additional cleanroom space
A second greenfield packaging and test facility

The increase represents an additional $5 billion+ investment, bringing total planned spending to $7B.

Strategic Customers

The new facilities will provide advanced packaging services for leading tech customers, including:

Apple (NASDAQ: AAPL)
Nvidia (NASDAQ: NVDA)

Why It Matters

The project strengthens U.S. efforts to onshore semiconductor supply chains and reduce reliance on Asia.
Advanced packaging has become a critical bottleneck in the AI and high-performance computing era, making Amkor’s expansion strategically significant.
With customers like Apple and Nvidia, the Arizona campus could become a cornerstone of U.S. semiconductor infrastructure.