U.S. optical module and memory stocks fell in pre-market trading.

BlockBeats news, October 14, according to BIT (bit.com) market data, U.S. optical module and storage stocks fell in pre-market trading, among them:

COHR fell 0.27%, LITE fell 0.66%, AAOI rose 0.22%, NOK rose 1.52%, MRVL fell 0.31%

STX Seagate fell 1.47%, WDC Western Digital fell 1.24%, SNDK SanDisk fell 2.16%, MU Micron fell 0.63%