StocksMedium•5 November 2026•
1 min read
AI Optical Stocks Plunge Led by Applied Optoelectronics and Coherent
Key Facts
1Applied Optoelectronics stock dropped 16% to $50 in a second straight session of selling.
2Coherent shares tumbled 14% and Lumentum plunged 13% despite a strong outlook for the group.
Applied Optoelectronics stock dropped 16% to $50 in a second straight session of selling. 247wallst.com reported that Coherent shares tumbled 14% and Lumentum plunged 13% despite a strong outlook for the group.
The sell-off continues as markets react to hyperscaler spending concerns and potential profit-taking following recent earnings reports in the AI infrastructure sector. AAOI closed at $59.27 on November 4, 2026, while COHR closed at $195.09 and LITE closed at $626.75 on the same date.