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. Lingering uncertainty over the direction of interest rates has weighed heavily on sentiment,

The Nasdaq and S&P 500 slid on Tuesday driven by tech stocks, as investors gear up for what Federal Reserve chair Jerome Powell will say about the path of interest rates at a key conference later in the week.