StocksMedium•12 October 2026•
1 min read

Optical Stocks Slump Led by Lumentum Despite Capacity Sold Out Through 2029

Key Facts

1Lumentum shares fell 10% despite its production capacity being fully booked through early 2029.
2The AI optics sector saw a broad selloff with Applied Optoelectronics dropping 7% and Coherent sliding 7%.

Lumentum shares fell 10% despite its production capacity being fully booked through early 2029. 247wallst.com reported that the AI optics sector saw a broad selloff with Applied Optoelectronics dropping 7% and Coherent sliding 7%.

LITE closed at $1103.36 on October 9, 2026, while COHR closed at $312.62 and AAOI closed at $109.64 on the same date. The sector-wide decline occurred despite strong long-term demand, with reports suggesting the selloff may reflect profit-taking following previous rallies.