** European semiconductor and chip stocks fall on Wednesday, getting swept up in the tech stocks selloff in the U.S. and Asia on fears over stretched valuations
** STOXX Europe technology index .SX8P is down 0.9%, falling the most among other indices on the wider STOXX 600 .STOXX
** "Halloween may be over, but markets are feeling spooked over AI stock valuations fears," Emma Wall, Chief Investment Strategist at Hargreaves Lansdown says
** A drop in U.S. chipmaker AMD AMD.O shares also weighs
** ASML ASML.AS, ASMI ASMI.AS, BESI.AS, Siltronic WAFGn.DE , X-Fab XFAB.PA slide between around 2% and 3%
** Melexis MLXS.BR and Soitec SOIT.PA are both down around 1%
(Reporting by Ozan Ergenay, Rashika Singh)
((ozan.ergenay@thomsonreuters.com))