** European semiconductor companies slip after double whammy from Nvidia and ASML
** Nvidia NVDA.O said it faces $5.5 billion in charges after the U.S. government limited exports of its chip sales to China
** ASML ASML.AS, the world's biggest supplier of computer chip-making equipment, reported Q1 bookings miss and said tariffs clouded outlook
** European technology index .SX8P down 2.9% at 0730 GMT, falling the most among other sectoral indexes on Europe-wide STOXX .STOXX, which is down 1%
** ASML falls 6%, peers ASM International ASMI.AS and BE Semiconductor BESI.AS down ~4%
** Soitec SOIT.PA sheds 4%; Infineon IFXGn.DE, Aixtron AIXGn.DE, Siltronic WAFGn.DE, STMicroelectronics STMPA.PA slip between 2%-3%
(Reporting by Marleen Kaesebier)
((Marleen.kaesebier@thomsonreuters.com))