U.S. stock futures point lower as investors prepare for wholesale inflation data later today, and Boeing shares decline after a 787-8 plane crashed in India. Here's what investors need to know today.

The June futures contract for the Cboe Volatility index, known as the VIX, is jumping 17% to 21.95 early Friday as markets take a bearish turn following Israel's attack on Iran. The VIX measures the expected volatility of the S&P 500 and tends to rise when investors become more fearful,

The major averages posted modest gains on Thursday, placing them on track for a winning week. Softer-than-anticipated inflation reports helped lift stocks.