IGM is trading 6.3% lower at $159.22 after closing at $169.92 on September 25, 2026; the cause of the after-hours decline remains unclear. - IGM is the iShares Expanded Tech Sector ETF, with significant exposure to Apple, Nvidia, Microsoft and Broadcom. - No reliable company-specific announcement or clearly supported catalyst surfaced in the search. - Major indexes were reported higher, so broad-market weakness does not explain the move.