Europe's latest political impasse cast a gloom over financial markets Tuesday. The euro plunged, and the Dow Jones industrial average extended a slide that has wiped out nearly 5 percent of its value in two weeks.

The Dow closed down 63.35 points, or 0.5 percent, at 12,632.00.

The Standard & Poor's 500 index finished down 7.69 points, or 0.6 percent, at 1,330.66.

The Nasdaq composite index fell 8.82, or 0.3 percent, to 2,893.76.

For the week so far:

The Dow is down 188.60 points, or 1.5 percent.

The S&P 500 is down 22.73, or 1.7 percent.

The Nasdaq is down 40.06, or 1.4 percent.

For the year so far:

The Dow is up 414.44 points, or 3.4 percent.

The S&P 500 is up 73.06, or 5.8 percent.

The Nasdaq is up 288.61, or 11.1 percent.