US stocks fluctuate | Stocks related to optical communication plummet, Lumentum (LITE.US) falls more than 9%

According to the WiseFinance app, on Friday, stocks related to optical communication concept experienced a general downturn. Lumentum (LITE.US) fell more than 9%, Corning (GLW.US) and Coherent (COHR.US) fell more than 8%, Nokia (NOK.US) fell more than 6%, Credo Technology (CRDO.US), Applied Optoelectronics (AAOI.US), and Marvell Technology (MRVL.US) fell more than 5%, and POET Technologies (POET.US) fell more than 4%.