Investor sentiment on Applied Optoelectronics (NASDAQ: AAOI) fluctuated significantly over two trading days, with shares declining 0.6% on Friday after the release of its quarterly earnings, but experiencing a surge of 24% on Monday. The earnings report, which marked the company’s first financial figures for 2025, indicated that revenue for the fourth quarter was just under $100 million, a substantial increase from $40.7 million in the same quarter of 2024. This performance shift highlights the market’s reaction to Applied’s growth trajectory in optical communications.