Lumentum stock slides late as year-end tech pullback hits AI optics names
NEW YORK, December 29, 2025, 18:08 ET — After-hours Lumentum Holdings Inc shares fell 4.6% to $372.61 in after-hours trading on Monday, after dropping as much as 6.7% earlier in the session. The stock traded between $364.50 and $390.00, with about 3.0 million shares changing hands. The slide came as investors eased off higher-risk technology positions in the final week of the year, when thinner liquidity can magnify moves in momentum names. That matters for Lumentum because it has become closely tied to expectations for AI infrastructure spending. The company sells optical and photonic products — light-based components used to