Shares of Amkor Technology surged 6.7% to $91.19 after the company announced a decade-long partnership with Taiwan Semiconductor Manufacturing Company, the world's dominant chipmaker.
According to Morningstar, Amkor said the agreement accelerates the U.S. semiconductor supply chain — a priority that has taken on heightened political and economic importance as governments worldwide race to reduce dependence on overseas chip production.
The deal, as reported by Semiecosystem, centers on chip packaging and testing — the often-overlooked final stages of semiconductor manufacturing where a finished chip is enclosed, connected, and verified before it ships to device makers. Amkor is one of the largest companies in this niche globally.
While TSMC dominates the headline-grabbing business of actually fabricating chips, packaging and testing are critical bottlenecks in the supply chain. A chip fabbed in Taiwan still needs to be packaged and tested before it can end up in a smartphone or data center server, and much of that work currently happens in Asia.
A formal, long-term tie-up between TSMC and a major U.S.-based packaging partner like Amkor could help bring more of that end-to-end process onto American soil — which is why investors reacted so positively to the news.
If the partnership delivers, it could mark a meaningful step toward a more complete domestic semiconductor supply chain, not just chip fabrication.