Ichor Holdings is trading at $55.61, down 4.02%, amid weaker risk sentiment; a direct link to the decline is unconfirmed. - No fresh company-specific announcement or catalyst explaining the September 28 pre-market decline was found in the sources reviewed. - The Nasdaq Composite is down 1.05% and S&P 500 futures are lower. - Reports cite higher oil prices after President Trump rejected Iran’s proposal concerning the Strait of Hormuz.