Headline: Stocks Rally as Vaccine Optimism Boosts Market

Summary: Stocks surged on Tuesday as investors grew more optimistic about the prospects of a coronavirus vaccine. The Dow Jones Industrial Average rose more than 400 points, or 1.5%, to close at 27,584. The S&P 500 gained 1.3% and the Nasdaq Composite advanced 0.9%. The gains were broad-based, with all 11 S&P 500 sectors in positive