Twenty-seven out of 30 total index companies saw their stock prices close in positive territory.
Investors reacted to comments by a European Union official that Greece could receive additional bailout money next week and that revelation drove the U.S. dollar to weaken versus the Euro, according to Bloomberg.
Bloomberg also cited increases in energy shares and gains in global equities as drivers of Friday’s trading activity.
The Dow Jones Industrial Average rose 168.36 points to 18, 127.39, the S&P 500 composite index climbed 18.81 points to 2, 108.08 and the NASDAQ composite index gained 34.04 points to 5, 026.42.
Top Percentage Gainers
 Company |  Stock Price |  $ Change |  % Change |
 Serco Inc. |  2.60 |  0.16 |  6.56% |
 Engility Holdings |  34.37 |  1.51 |  4.60% |
 ManTech International |  34.54 |  1.41 |  4.26% |
 AECOM Technology |  31.09 |  0.88 |  2.91% |
  ICF International |  42.65 |  1.10 |  2.65% |
Market Summary
 Advancing Issues |   27 (90.00%) |
 Declining Issues |    3 (10.00%) |
 Unchanged Issues |    0 |
Executive Mosaic‘s GovCon Index is a composite index that tracks 30 of the largest publicly-traded Government Contracting (GovCon) firms.