Core Viewpoint - The optics sector experienced a significant sell-off, with shares of Credo Technology, Lumentum, and Applied Optoelectronics declining sharply after a previous surge driven by NVIDIA's investment in Coherent [1]. Company Summaries Credo Technology (CRDO) - Credo's stock fell by 15% following its earnings report, which showed revenue of $407.01 million, a 201.5% year-over-year increase, surpassing estimates by 5% [1]. - The company's Q4 gross margin guidance was revised down to 64-66% from 68.6%, raising concerns among investors despite strong earnings [1]. - CEO Bill Brennan highlighted record results, with revenue growth exceeding 50% sequentially and 200% year-over-year [1]. Lumentum (LITE) - Lumentum's shares dropped by 11%, primarily due to profit-taking after a substantial increase in stock price over the past year, where it surged 957% [1]. - The company reported a 65.5% year-over-year revenue growth in its most recent quarter, with guidance indicating over 85% growth for the next quarter [1]. Applied Optoelectronics (AAOI) - AAOI's stock decreased by 7%, following a remarkable rise of 438% over the past year [1]. - The company projected Q1 2026 revenue between $150 million and $165 million, with full-year 2026 revenue potentially exceeding $1 billion [1].

Core Viewpoint - The optics sector experienced a significant sell-off following a previous surge, with shares of Credo Technology, Lumentum, and Applied Optoelectronics declining sharply despite strong earnings reports from Credo Technology [2][3][4]. Company Performance - Credo Technology reported exceptional earnings with revenue of $407.01 million, reflecting a 201.5% year-over-year increase, surpassing the consensus estimate of $387.62 million by 5% [4]. - Non-GAAP EPS for Credo was $1.07, exceeding the estimate of $0.94, indicating strong operational performance [4]. - Despite the strong earnings, Credo's Q4 gross margin guidance was lowered to 64%-66% from 68.6% in Q3, raising concerns among investors [4][7]. Market Dynamics - The optics sector saw a massive surge after NVIDIA's $4 billion investment in Coherent and Lumentum, which initially boosted investor sentiment [3]. - The recent sell-off is attributed to profit-taking after significant price increases, with Credo Technology's stock down 15%, Lumentum down 11%, and Applied Optoelectronics down 7% [2][7]. - Over the past year, Credo Technology's stock is still up 93%, Lumentum has surged 957%, and Applied Optoelectronics has increased by 438%, indicating a volatile market environment [6]. Investor Sentiment - Investors are showing caution regarding Credo's future, particularly concerning its AEC stronghold built on copper cables, despite projections of over 50% revenue growth by 2027 [5]. - The aggressive profit-taking observed is a natural response to the rapid price increases seen in the optics sector [6].