The Sensex opened a tad higher at 10,831. Follow-up buying in opening trades saw the index spurt to a high of 10,898.Selling soon emerged and the index tumbled into the negative zone. The index dropped to a low of 10,623 - down 275 points from the day's high.The index is now down 70 points at 10,753.The market breadth has turned positive - out of 1,655 stocks traded so far, 855 have advanced, 764 have declined and the rest are unchanged.
