US-listed optical communications stocks fell in pre-market trading, with Corning (GLW.N) and Marvell Technology (MRVL.O) down more than 3%, Lumentum down more than 2%, and Ciena down nearly 2%.
2026-09-28
US-listed optical communications stocks fell in pre-market trading, with Corning (GLW.N) and Marvell Technology (MRVL.O) down more than 3%, Lumentum down more than 2%, and Ciena down nearly 2%.