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].