NASDAQ:LITE 29 November 2025 - 14 December 2025

Lumentum Holdings Inc. heads into the new week in the spotlight after a sharp, late-week reversal that reminded investors of two truths about the stock in 2025: the AI data-center optics narrative can power extraordinary rallies, but the same momentum can also snap back fast when markets turn risk-off.

Lumentum Holdings Inc. ended the week with a sharp reversal that underscored just how “crowded” the AI-infrastructure trade has become in late 2025. After powering higher for most of the week, Lumentum stock closed Friday, Dec. 12, at $324.35, down 12.83% on the day, with heavy volume and a wide intraday range that signaled aggressive de-risking into the weekend.

Meta description: Lumentum plunged on Dec. 12, 2025, then steadied after hours. Here’s what drove the move, what analysts are forecasting, and the key catalysts to watch heading into the next trading session.

Lumentum Holdings Inc. has transformed from a struggling optical-component supplier into one of 2025’s most explosive AI‑infrastructure plays. After a string of blowout quarters and aggressive price‑target hikes, the stock hit an all‑time high of about $300.20 on November 26, 2025, and now trades around $366 per share as of December 11. Investing.com

Lumentum Holdings Inc. extended its powerful 2025 rally on Tuesday, December 9, with shares pushing to fresh record territory and holding up in after-hours trading. The move capped a day dominated by optimism around AI data‑center infrastructure, even as more analysts warn that the stock’s valuation is starting to look stretched.

As of December 5, 2025, Lumentum Holdings Inc. has become one of the most explosive AI‑infrastructure plays in the market, hitting fresh record highs, drawing intense options activity and institutional buying – while also triggering growing debate about whether its valuation has run too far, too fast. Investing.com Australia+1

Lumentum Holdings Inc. has surged into the center of the AI infrastructure trade. As of December 4, 2025, the stock is trading around $325–$326 per share, near a fresh all‑time high, and has risen well over 200% in the last 12 months.StockAnalysis+1

Lumentum Holdings Inc. heads into Monday’s session as one of 2025’s most explosive AI infrastructure plays — and one of its most hotly debated. After a spectacular November melt‑up driven by AI datacenter demand, blowout earnings and a wave of analyst upgrades, the stock is starting December trading around $325 per share, right at its all‑time high and the top of a 52‑week range of roughly $45.65–$325.46. TS2 Tech