Kulicke and Soffa shares surge 17.96% after-hours as Q1 2026 quarterly report reveals 20.2% year-over-year net revenue growth driven by Ball Bonding Equipment and APS segments.

Kulicke and Soffa Industries surged 17.96% in after-hours trading following the release of its Q1 2026 quarterly report, which highlighted a 20.2% year-over-year revenue increase driven by strong demand for Ball Bonding Equipment and APS segment growth. The report noted improved market conditions in semiconductor and memory end markets, with Ball Bonding Equipment revenue rising 84.8% to $110.3 million. Management emphasized resilience amid macroeconomic headwinds and reaffirmed long-term growth expectations for the semiconductor industry. The stock’s post-market rally aligns with the earnings report’s positive revenue trends and strategic focus on operational efficiency, overshadowing bearish technical signals like the KDJ death cross.