Here’s what we’re watching ahead of Wednesday’s opening bell.

—U.S. stock futures slipped, as investors awaited a bumper day of major earnings reports and a meeting of the Federal Reserve.

S&P 500 futures were down 1.1%, while futures tied to the technology-heavy Nasdaq-100 edged down 0.7%. Dow Jones Industrial Average futures fell 1.1%.

What’s Coming Up

—Earnings updates expected: Tesla , Apple and Facebook are due after the close. The electric-car maker is expected to record its first full-year profit.

The Federal Reserve releases a policy statement at 2 p.m. and Chairman Jerome Powell holds a press conference at 2:30 p.m.