Dow Jones Industrial Average index appreciated on Tuesday as US consumer confidence data matched analyst estimates and new home sales improved. Blue chip index climbed 0.58% or 74.39 points to 13,001.56. AT&T rallied 3.6% and 3M gained 1.5% as their earnings beat predictions. Wal-Mart Stores shed 3% on news the company is investigating assertions that management in Mexico gave around $24 million in bribes to boost expansion in the region. IBM added 0.7% after firm increased its quarterly pay-out.