SEMI.AS is trading at $18.31 (-3.55%) as renewed doubts that heavy AI data-center spending will generate adequate returns pressured semiconductor shares.

  • Lam Research fell 7.4% after a weaker-than-expected earnings forecast, adding to sector concerns; investors also weighed stretched valuations and financing costs.
  • Oil above $110 amid Saudi supply concerns added to wider risk aversion and weaker tech sentiment. The ETF move is live; cited reporting describes Asian-market pressure before the October 22 U.S. open.