Lumentum (LITE) Stock After Hours on Dec. 18, 2025: What Investors Should Watch Before Friday’s Market Open
Lumentum Holdings Inc. (NASDAQ: LITE) finished Thursday’s session (18.12.2025) with a strong gain and then added a modest move in after-hours trading—keeping the spotlight on optical and photonics names tied to the AI data-center buildout. LITE closed the regular session at $337.13, up 5.27%, and traded around $339.95 in after-hours (up 0.84%) as of the evening update. Yahoo Finance For investors heading into Friday’s open (Dec. 19, 2025), the bigger question is whether Thursday’s rebound was the start of another leg higher—or simply the latest swing in what has become a high-volatility momentum trade. Lumentum stock price recap: what happened