Mumbai, Feb. 21 -- The Indian stock market ended the week on a weak note, with the Sensex declining 424.90 points to close at 75,311.06, while the Nifty fell 149.95 points, settling at 117.25.

Persistent concerns over global economic conditions and foreign institutional investor (FII) outflows weighed on investor sentiment.

Among Nifty 50 companies, only 13 stocks advanced, while 37 declined. The top gainers included Hindalco, Tata Steel, Eicher Motors, Larsen & Toubro (LT), and SBI Life, whereas Mahindra & Mahindra (M&M), Adani Ports, BPCL, Tata Motors, and Adani Enterprises emerged as the biggest losers.

Vinod Nair, Head of Research at Geojit Financial Services, stated that the domestic market continued to exhibit broad-based weaknes...