American Superconductor (NASDAQ: AMSC) saw its stock price surge 5.14% in after-hours trading on Wednesday, following the release of its impressive first-quarter earnings report and optimistic second-quarter guidance.

The company reported quarterly earnings of $0.29 per share, significantly outperforming the analyst consensus estimate of $0.12 by 135.77%. This represents a remarkable 262.5% increase from the $0.08 per share earned in the same period last year. Revenue for the quarter came in at $72.358 million, beating the analyst consensus estimate of $64.967 million by 11.38% and marking a 79.59% jump from the $40.290 million reported in the previous year's quarter.

Adding to the positive sentiment, American Superconductor provided an encouraging outlook for the second quarter. The company expects adjusted earnings per share of $0.14 and projects revenue in the range of $65 million to $70 million. This forward-looking guidance suggests continued growth and profitability, likely contributing to investor enthusiasm and the stock's after-hours rally.