Stocks tumbled 3 percent on Tuesday after the euro zone agreement to rescue Greece and keep the sovereign debt crisis from spreading was upended.

The Dow Jones industrial average dropped 311.13 points, or 2.60 percent, to 11,643.88. The Standard & Poor's 500 Index dropped 36.28 points, or 2.89 percent, to 1,217.02. The Nasdaq Composite Index dropped 82.09 points, or 3.06 percent, to 2,602.32.

(Editing by Jeffrey Benkoe)