Antonio Samaras

US stocks were slightly slower in opening trade Tuesday, falling with European equity markets on political uncertainty in eurozone member Greece.

Five minutes into trade, the Dow Jones Industrial Average stood at 18,008.31, down 29.92 points (0.17 percent).

The International Monetary Fund said Dec. 29 it was suspending financial aid to Greece under its huge rescue program until a new government is formed after elections slated for late January.