According to CoinMeta, based on early data from in2021, stocks in the U.S. market related to optical communications saw a widespread decline, with AXT falling by more than 8%. Stocks in the application optoelectronics sector, Micron Technology, and Astera Labs all fell by more than 5%. Coherent, Ciena, Lumentum, and Poet Technologies also fell by more than 4%. Nokia and Corning saw declines, while Tower in the semiconductor sector and Fabrinet fell by more than 3%. Broadcom fell by nearly 2%.