BlockBeats News, July 2nd, according to BIT (bit.com) market data, at the opening of the U.S. stock market, optical communication concept stocks experienced a general decline:

The Pure Play Photonics ETF FOTO fell by 1.62%;

Huang Renxun recommended the stock of Marvell Technology (MRVL), which fell by 0.07%. Previously, Huang referred to it as the next trillion-dollar market cap company;

AAOI (Applied Optoelectronics) fell by 1.62%;

LITE (Lumentum Holdings) fell by 1.39%;

COHR (Coherent Corp.) fell by 1.68%;

CIEN (Ciena Corporation) fell by 2.21%.