Kulicke & Soffa's stock surged 17.30% during the night session, following the release of its fiscal second-quarter results that significantly exceeded analyst expectations.

The semiconductor equipment maker reported Q2 adjusted earnings per share of $0.79, beating the consensus estimate of $0.67, while revenue of $242.6 million surpassed the $230 million forecast. The company's revenue grew 49.8% year-over-year and it swung to a net income of $35.1 million from a loss in the prior-year period.

Interim CEO and CFO Lester Wong attributed the strong performance to "stronger-than-anticipated demand across semiconductor, memory, automotive and industrial markets." The company also provided upbeat guidance for Q3, forecasting net revenue of approximately $310 million and GAAP diluted EPS of about $0.87, indicating sequential growth and continued momentum in key end markets.