U.S. stock optical module sector fell broadly in pre-market trading, with AAOI down 3.78% pre-market.

BlockBeats news, October 8th, according to BIT (Bit.com) market data, in pre-market trading, most optical module and optical communication concept stocks declined, among them:

COHR fell 3.34%, at $323.40

LITE fell 2.51% in pre-market, at $1,083.23

AAOI fell 3.78% in pre-market, at $117.91

NOK fell 2.36% in pre-market, at $10.37

MRVL fell 1.72% in pre-market, at $279.79