The final trading day of the week saw news of a possible nuclear agreement between Iran and major world powers weigh on investors, who largely want to see how the strengthened U.S. dollar will affect corporate earnings reports, according to CNBC.
Investors also have their eyes on Friday’s nonfarm jobs report and wage data from the Labor Department, CNBC reported.
The Dow Jones Industrial Average climbed 65.06 points to 17, 763.24, the S&P 500 composite index rose 7.27 points to 2, 066.96 and the NASDAQ composite index gained 6.71 points to 4, 886.94.
Top Percentage Gainers
 Company |  Stock Price |  $ Change |  % Change |
  Serco Inc. |  2.60 |  0.17 |  7.00% |
  CGI Group |  43.01 |   0.53 |  1.25% |
 Raytheon |   108.46 |  0.87 |  0.81% |
  Northrop Grumman |   161.63 |  1.08 |  0.67% |
 AECOM Technology |   31.08 |  0.18 |  0.58% |
Market Summary
 Advancing Issues |   15 (50.00%) |
 Declining Issues |   15 (50.00%) |
 Unchanged Issues |   0 |
Executive Mosaic‘s GovCon Index is a composite index that tracks 30 of the largest publicly-traded Government Contracting (GovCon) firms.