Lumentum is trading 4.3% down at $623.90 as the sector-wide rout in optical networking and photonics shares continues following Corning’s earnings and a sharp drop in Coherent.
- The move aligns with broader semiconductor weakness tied to worries over AI spending and rising competition from Chinese chipmakers.
- With no new company-specific headlines today, the stock appears to be moving in sympathy with its sector peers.