Stock markets fell on worries that Greece would exit the euro bloc and throw the global markets into further turmoil. New elections were called in Greece for June 17 after coalition talks to form a government fell apart.
The Dow closed down 33.45 points, or 0.3 percent, at 12,598.55.
The Standard & Poor's 500 index finished down 5.86 points, or 0.4 percent, at 1,324.80.
The Nasdaq composite index fell 19.72, or 0.7 percent, to 2,874.04.
For the week so far:
The Dow is down 225.05 points, or 1.7 percent.
The S&P 500 is down 28.59, or 2.1 percent.
The Nasdaq is down 59.78, or 2 percent.
For the year so far:
The Dow is up 380.99 points, or 3.1 percent.
The S&P 500 is up 67.20, or 5.3 percent.
The Nasdaq is up 268.89, or 10.3 percent.