US stock indexes opened at record highs on Friday amid optimism over a further winding down in Sino-US trade tensions, starting with an interim deal due to be inked in January.

The Dow Jones Industrial Average .DJI rose 231.68 points, or 0.82%, at the open to 28,608.64.

The S&P 500 .SPX opened higher by 17.96 points, or 0.56%, at 3,223.33. The Nasdaq Composite .IXIC gained 24.62 points, or 0.28%, to 8,911.84 at the opening bell.