European Stocks Gain on AI Boost; ASML Rises Above $500 Billion

European stocks extended a record-breaking advance as technology stocks rallied following Taiwan Semiconductor Manufacturing Co.’s solid results. ASML Holding NV surpassed $500 billion in market capitalization.

The Stoxx Europe 600 Index gained 0.5% at the close, hitting an all-time peak. Semiconductor-related stocks including ASML, ASM International NV and BE Semiconductor Industries NV jumped after TSMC guided to an annual increase in capex of about 30% in 2026.