Diodes Incorporated (DIOD) experienced a significant after-hours surge of 11.64% on Tuesday, following the release of its fourth-quarter fiscal 2025 financial results.

The semiconductor company reported Q4 revenue of $391.6 million, surpassing analyst consensus estimates of approximately $380 million. Adjusted earnings per share came in at $0.34, also beating expectations. The results were driven by a 15.4% year-over-year revenue increase, with notable growth in the automotive market and demand related to AI server applications.

Furthermore, the company provided strong guidance for the first quarter of 2026, expecting revenue of approximately $395 million, plus or minus 3%. This outlook significantly exceeds typical seasonal performance and analyst forecasts, indicating continued momentum and prompting positive investor sentiment in the extended trading session.