Stocks are opening broadly higher on Wall Street, resuming a November rally that brought the biggest monthly gain for the S&P 500 since April. The benchmark index was up 0.9% in the early going Tuesday, putting it on track for another record high after a weak showing a day earlier. The Dow Jones Industrial Average edged back closer to the 30,000 mark. Investors were encouraged to see that regulators in Europe could approve a coronavirus vaccine developed by Pfizer and BioNTech within four weeks. Treasury yields rose as investors became more optimistic about the economy.