On August 28, Applied Optoelectronics fell 5.15% in regular trading, trading at 107.39 USD/share, with turnover of $265 million. The decline came as the optical communications sector experienced broad profit-taking following a multi-day rally catalyzed by NVIDIA's better-than-expected earnings report.

On the news front, Lumentum executives Vincent Retort and General Counsel Kim Jae collectively sold over 33,000 shares on August 25, triggering market concerns over elevated sector valuations. The broader industry came under pressure, with Lumentum falling 4.54% and Arista Networks declining 1.77%. Additionally, AAOI's prior $600 million ATM equity distribution agreement continues to weigh on sentiment, with the company having cumulatively launched over $1.7 billion in ATM financing plans year-to-date, constraining valuation recovery amid persistent dilution concerns.

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