AXT Inc
A US-listed semiconductor materials company and the world's second-largest producer of indium phosphide substrates, used to make optical transceivers for data-center networking.
Covered in 3 MetalsCost.com News Intelligence articles, most recently on September 9, 2026.
Coverage
China's Grip on Indium Phosphide Squeezes AI Chipmakers as Wafer Prices Surge 250%
China's export controls on indium phosphide, extended to raw indium in 2026, have pushed wafer prices up roughly 250%, prompting a combined $4 billion Nvidia investment to build non-Chinese supply.
Indium Phosphide Prices Have Nearly Tripled as AI Chip Demand Collides With a China Export Clampdown
Indium phosphide wafer prices have jumped up to 250% since early 2025 as AI data-center demand for optical chips collides with a global supply gap exceeding 70% and China's new export licensing rules.
AXT Surges 14% as Indium Phosphide Shortage Drives a Record Fourth Straight Price Hike
AXT stock rose 13.7% as indium phosphide substrate prices head for a record fourth straight quarterly increase, driven by AI data-center optical chip demand.