Woofun AI data shows that the US stock optoelectronics sector experienced a broad-based rally. The Pure Photonic ETF (FOTO) surged by more than 9%. Individual equities also posted significant gains, with Coherent rising over 11% and Lumentum increasing by more than 9%. Ciena climbed nearly 8%, while II-VI Inc. and Corning each advanced by over 6%. Credo also saw an increase of more than 5%.