Optical communication stocks rose on Tuesday. Applied Optoelectronics up 9.6%; Coherent, Lumentum up over 5%; Corning up 4%.

Applied Optoelectronics shares rose after the company announced a new order from a major hyperscaler.

Applied Optoelectronics announced that one of its major hyperscale customers placed an initial volume order for 800G single-mode data center transceivers totaling more than $53 million.

The undisclosed customer plans to use the transceivers to help expand its network capacity for AI-driven workloads. Applied Optoelectronics said the order will specifically support GPU cluster buildup, in line with the customer’s large-scale infrastructure expansion plans.