Nifty 50, Sensex fall for 4th day, shed 0.5% as bears continue to rule; auto, pharma stocks top drags

The Indian stock market faced selling pressure on February 21, with auto and pharma stocks dragging indices down for the fourth session. Nifty 50 fell 0.5% to 22,810, while Sensex dropped 0.52%. Global trade tensions prompt investors to seek safe havens like gold.