Stocks Surge On Wall Street; U.K. Tax Retreat Welcomed

Watch VideoStocks surged in morning trading on Wall Street Monday and marked the latest about-face for a market that has been unsteadily lurching between gains and losses.

The S&P 500 rose 2.9% as of 10:22 a.m. Eastern. Nearly every stock in the benchmark index gained ground. The Dow Jones Industrial Average rose 606 points,...