Sensex down by 477.82 pts to 17,445.75

Mumbai, Feb 27 : The 30 scrip Index of the Bombay Stock Exchange (BSE) continued to slide for the fourth session today by 477.82 points, the highest single day fall since November'11, to 17,445.75, as selling was seen across the board amid weak European cues, on concerns that high crude oil prices would fuel inflation, further delaying lowering of key rates by the central bank.