Bank of America and Citigroup are expected to notch higher revenue and profit when they post results Tuesday morning. Their trading desks should have benefitted from a sharp rise in volatility in the

Shares of major U.S. banks surged after Bank of America (BAC) and Citigroup (C) became the latest lenders to report better-than-expected first-quarter earnings on the back of a stock-trading boom. Bank of America shares were up 4.

Futures edged down Tuesday morning, with the S&P 500, Nasdaq, and Dow trading just below break-even, as investors braced for a flurry of corporate earnings. The muted open followed Monday’s tech-led rally,