A wide range of stocks have powered the November market rally, a broadening of support beyond the few highflying companies that propelled indexes earlier this year. With a drumbeat of promising reports on Covid-19 vaccines and the easing of U.S. election uncertainty, stocks have surged in November. The S&P 500 is up 11%, on pace for its best month since April when the market was rebounding from its coronavirus lows. The Dow Jones Industrial Average, meanwhile, topped 30000 for the first time last week and is on pace for its...