Muthoot Finance is trading 4.2% down at INR 2,458.30, with no company announcement or specific new catalyst reported for October 21, 2026. - MarketsMojo described a sell-off and bearish technical momentum, and suggested investors may be reassessing the stock’s premium valuation; these are source explanations, not confirmed causes. - The stock underperformed its sector, so the positive financial-sector trend does not explain the decline.