0718 GMT - European indexes are mixed at market open, though AI-related stocks jump following Nvidia earnings. The Europe-wide Stoxx 600 trades flat. In the Netherlands, the semiconductor-heavy AEX rises 0.55%. ASML Holding adds 2.5%, while ASM International gains 2.2%. Germany's DAX is up 0.2%. Siemens Energy, which makes turbines used in data centers, gains 3.2%, while software group SAP adds 1.1%. London's tech-light FTSE 100 falls 0.5%, with oil majors extending losses while miners also drop. In Paris, the CAC 40 slips 0.2%. Chip maker STMicroelectronics rises 3.5%, but luxury stocks that dominate the index slide, with bellwether LVMH down 1.05%. Italy's FTSE MIB and the Spanish IBEX 35 both add 0.1%.