Stocks open higher on Thursday after Greek leaders clinched a long-stalled deal on reforms and data indicated the U.S. labor market continued to improve.

The Dow Jones industrial average <.DJI> was up 28.61 points, or 0.22 percent, at 12,912.56. The Standard & Poor's 500 Index <.SPX> rose 3.25 points, or 0.24 percent, at 1,353.21. The Nasdaq Composite Index <.IXIC> put on 9.03 points, or 0.31 percent, at 2,924.89.

(Reporting By Angela Moon; editing by Jeffrey Benkoe)