IQE is now trading at £44.45, down 5.2%, amid broad market weakness as higher Treasury yields and renewed Federal Reserve tightening concerns pressure technology and semiconductor-related shares. - The S&P 500 was down 0.69% and the Nasdaq Composite down 1.15% in pre-market trading. - No September 24 company-specific announcement or fresh catalyst was identified. - Earlier positive results and AI demand commentary remain dated.