AXT Inc. shares surged 10% as Chinese export controls on indium phosphide substrates squeeze global supply, driving InP wafer prices up 250% amid AI demand.

Coherent CEO Jim Anderson presses China on indium phosphide export delays as supply drops 77% to the US, threatening AI data center optical components.

China's export controls on indium phosphide are creating a critical bottleneck for AI data center buildouts, threatening high-speed optical transceiver

AXT Inc. shares surged 10% as Chinese export controls on indium phosphide substrates squeeze global supply, driving InP wafer prices up 250% amid AI demand.