Stock futures are pointing to a lower open for major indexes on Thursday as investors prepare for tomorrow's highly anticipated speech from Federal Reserve Chair Jerome Powell.

U.S. equity futures slipped on Thursday, signaling continued weakness for Wall Street as investors brace for Federal Reserve Chair Jerome Powell’s appearance at the Jackson Hole Economic Symposium.

The Dow Jones index dropped Thursday after surprise initial jobless claims. Walmart stock sold off on earnings miss.

Wall Street is ticking lower in premarket trading Thursday as investors perused Walmart's latest financial results ahead of Federal Reserve Chair Jerome Powell's highly anticipated speech on Friday.