All three major U.S. stock indices lost close to 1 percent each as traders reacted to China’s devaluation of its currency and also showed concern over a potential slowdown of raw material imports there, the Wall Street Journal reported in its Tuesday market summary.
The Dow Jones Industrial Average plunged 1.21 percent to 17, 402.84, the S&P 500 composite index fell 0.96 percent — or 20.10 points — to 2, 084.08 and the NASDAQ composite index declined 1.27 percent to 5, 036.79.
Market Summary
 Advancing Issues |    2 (6.66%) |
 Declining Issues |   28 (93.33%) |
 Unchanged Issues |    0 |
Executive Mosaicâs GovCon Index is a composite index that tracks 30 of the largest publicly-traded Government Contracting (GovCon) firms.