Last Updated: Tuesday, January 15, 2013, 16:53
After crossing 20,000 points level in early trade and again for a second time in the last hour of market, Sensex closed with a gain 80.41 points, or 0.40 percent, at 19,986.82. This is the first time since January 6, 2011 that the index crossed the 20,000-mark.