After a three-day rally, equity benchmark indices Sensex and Nifty faced declines due to profit-taking, with analysts predicting a potential policy rate hike by the RBI as retail inflation hit 6.09 percent in October. Key laggards included Mahindra & Mahindra and HDFC Bank, while gainers like Tech Mahindra and Sun Pharma emerged. Notably, Foreign Institutional Investors showed robust interest, purchasing equities worth Rs 7,830.