IEMG is trading at $83.90, up 6.68% versus the regular-session close of $78.65, with no verified catalyst for the reported after-hours surge. - Available market coverage described IEMG as down during the session and around 1.5% higher after hours. - Hotter-than-expected U.S. CPI strengthened rate concerns, while Asian chip shares faced volatility. - TSMC earnings were due October 15, but no verified after-hours earnings reaction explains the move.