Major US stock indices fell Monday amid the widening global swine-flu scare, with energy and the travel and hospitality sectors hardest hit.

The blue-chip Dow Jones Industrial Average lost 51.29 points, or 0.64 percent, to 8,025. The broader Standard & Poor's 500 Index dropped 8.72 points, or 1.01 percent, to 857.51. The technology-heavy Nasdaq Composite Index fell 14.88 points, or 0.88 percent, to 1,679.41.