U.S. stocks closed slightly higher in a choppy day of trading that saw gains in commodities such as crude oil, copper and gold, the Wall Street Journal reported.
Greece’s debt negotiations continued to weigh on trading activity in U.S. markets with the country facing a July 20 deadline on a $3.8 billion bond repayment to Europe’s central bank, according to the Journal.
The Dow Jones Industrial Average rose 93.33 points to 17, 776.91, the S&P 500 composite index gained 12.58 points to 2, 081.34 and the NASDAQ composite index closed up 5.52 points to 4, 997.46.
Top Percentage Gainers
 Company |  $ Stock Price |  $ Change |  % Change |
  L-3 Communications |   118.24 |   2.23 |   1.92% |
  Boeing |   143.15 |   2.63 |   1.87% |
  McKesson |   228.23 |   3.65 |   1.63% |
  Northrop Grumman |   161.39 |   2.14 |   1.34% |
  Raytheon |   97.95 |   1.20 |   1.24% |
Market Summary
 Advancing Issues |   16 (53.33%) |
 Declining Issues |   13 (43.33%) |
 Unchanged Issues |    1 (3.33%) |
Executive Mosaic‘s GovCon Index is a composite index that tracks 30 of the largest publicly-traded Government Contracting (GovCon) firms.