Wall St opens up, on track for positive week

However, moves are likely to be slight with few market catalysts and many traders still out for the Christmas holiday

U.S. stocks opened slightly higher on Friday, with major indexes on track for a second straight weekly advance, though moves were likely to be slight with few market catalysts and many traders still out for the Christmas holiday.

The Dow Jones industrial average was rising 31.46 points, or 0.17 percent, at 18,061.67, the S&P 500 was gaining 4.52 points, or 0.22 percent, at 2,086.4 and the Nasdaq Composite was adding 14.86 points, or 0.31 percent, at 4,788.33.

For the week, the Dow is up 1.5 percent, the S&P is up 0.8 percent and the Nasdaq is up 0.5 percent.