🔴 Applied Optoelectronics is trading 4.1% down — cause remains unclear

Applied Optoelectronics is trading 4.1% down at $99.00; the cause of the September 30 decline remains unclear.

• No company-specific announcement explaining the September 30 decline surfaced in available reports.
• The latest company news was September 29 SCTE TechExpo product demonstrations and an amplifier shipment milestone, which do not clearly explain the drop.
• Broader markets were positive: Nasdaq up 0.90% and S&P 500 up 0.63%; no confirmed trading-volume detail was available.