Tech and consumer shares lift US markets
(Close): US markets closed higher, led by technology and consumer sectors, while oil prices fell on fading hopes of an Opec deal to limit output.
A firmer dollar in the aftermath of the first Clinton-Trump presidential debate helped send gold prices lower.
Stronger consumer confidence data helped to boost retail stocks.
High street firms Macy's and Best Buy gained 1% and 2% respectively.
Technology shares were strong, with Facebook and Google parent Alphabet both rising 1.1%, and Amazon adding 2.1%.
Oil-related shares retreated on lower crude prices, with Anadarko Petroleum losing 0.5% and Halliburton down 1%.