AXT

Optics stocks fell sharply on July 28, with Lumentum dropping roughly 10%, Corning sliding around 12%, and AXT falling approximately 12%, after Corning's forward guidance and Anthropic-related news ra…

China has tightened export controls on indium phosphide, a critical material for AI data center optical chips, causing prices to surge 250% and threatening to slow AI infrastructure buildout. The move…