The GovCon Index fell 0.067 points — or 0.095 percent — to close at 70.674 on Wednesday.
Copper prices declined 5.7 percent toÂ $2.4945 per pound in New York and was a factor that drove U.S. stocks to decline, according to Bloomberg.
Investors showed some concern over data that showed a decline in retail sales during December, Bloomberg reports.
The Dow Jones Industrial Average tumbled 1.06 percent — or 186.59 to 17, 427.09, the S&P 500 composite index declined 11.76 pointsÂ to 2, 011.27 and the NASDAQ composite index slidÂ 22.17 points to 4, 639.32.
Top Percentage Gainers
|Â Company||Â Stock Price||Â $ Change||Â % Change|
|Â Orbital||Â 26.68||Â 1.13||Â 4.42%|
|Â Serco Inc.||Â 2.35||Â 0.07||Â 3.07%|
|Â ATK||Â 119.94||Â 2.08||Â 1.76%|
|Â Navistar||Â 31.73||Â 0.38||Â 1.21%|
|Â Maximus||Â 55.84||Â 0.30||Â 0.54%|
|Advancing Issues||Â 13Â (43.33%)|
|Declining Issues||Â 17 (56.66%)|
|Unchanged Issues||Â Â 0|
The Executive Mosaic GovCon Index is a composite index that tracks 30 of the largest publicly-traded Government Contracting (GovCon) firms.