On August 18, Applied Optoelectronics fell 5.16% in pre-market trading, trading at 147.32 USD/share, with turnover of $9.034 million. The decline came as the broader optical communication sector experienced a collective pullback following consecutive sessions of significant gains.

On the sector front, peer stocks declined in tandem, with Lumentum down 3.68%, Arista Networks down 2.38%, Ciena down 1.46%, and Nokia down 3.34%, creating broad-based sector drag. The sell-off followed a multi-day rally that saw Applied Optoelectronics surge over 15% on August 14 and gain another 5.3% on August 17, driven by strong Q2 results showing 86% year-over-year revenue growth to $191.9 million and data center revenue breaking above $100 million for the first time.

However, Q3 guidance remained a lingering concern. The company projected Q3 revenue of $255 million to $290 million versus analyst expectations of $278.3 million, with adjusted EPS guidance of $0.11 to $0.26 falling short of the $0.28 consensus. After the extended rally, the combination of sector-wide weakness and unresolved guidance concerns triggered profit-taking pressure.

(The above content is based on publicly available market information, generated by a program or algorithm, and is intended solely as a stock movement alert. It does not constitute investment advice or a basis for trading decisions.)