The Dow was up 55.23 today, closing at 11,639.77. Today's close was the second highest ever for the Dow. The previous highest close was 11,582.43 on 1/13/2000. Today's close was also within 85 points of the all time Dow closing high, which was 11,722.98 on 1/14/2000. CNBC reports that the stock market got a late afternoon boost from the approval of tax cut extensions on Capitol Hill.