IGM is trading 1.53% down at $167.76, likely pressured by hotter-than-expected inflation and rate-hike concerns. - September headline CPI rose 3.7% year over year, above the 3.6% forecast; core CPI also exceeded expectations, lifting Treasury yields. - The S&P 500 fell 0.70% and Nasdaq Composite 0.93%. IGM is the iShares Expanded Tech Sector ETF; no IGM-specific announcement surfaced in the search, and trading volume was unavailable.