Wall Street stocks surged to fresh records Friday as key congressional holdouts on a US tax cut proposal signaled support, pushing the long-awaited measure closer to the finish line.

All three major US indices finished at records, with the Dow Jones Industrial Average up 0.6 percent at the closing bell to 24,650.40.

The broad-based S&P 500 gained 0.9 percent to 2,675.60, while the tech-rich Nasdaq Composite Index jumped 1.2 percent to 6,936.58