Lumentum stock sinks 8% after tech-led slide — what traders watch next
Lumentum Holdings’ stock plunged 8.2% on Wednesday, closing at $331.62 before nudging higher to around $332 in after-hours trading.

Lumentum Holdings Inc shares rose 5.1% to $348.68 on Thursday, clawing back part of Wednesday’s losses as investors shifted focus back to high-beta AI infrastructure stocks.