American Superconductor Corp. (NASDAQ:AMSC) surged 22.65% in after-hours trading on Wednesday, reaching $33.86.
According to Benzinga Pro, the stock of the Massachusetts-based energy technology company closed the regular session at $27.61, down 7.97%.
Revenue Climbs 21% Year-Over-Year
AMSC reported third-quarter fiscal 2025 revenue of $74.5 million, an increase from $61.4 million in the same quarter of fiscal 2024.
According to the company, the year-over-year increase was driven by organic growth and the acquisition of Brazilian transformer manufacturer Comtrafo, which closed on December 5, 2025, contributing partial results from the final weeks of the quarter.
The company posted net income of $117.8 million, or $2.68 per share, up from $2.5 million, or $0.07 per share, in the same period of fiscal 2024.
American Superconductor’s non-GAAP net …