U.S. stock-market futures declined Sunday, after stocks rallied Friday on fresh hopes of a September rate cut by the Fed.

U.S. stock index futures slipped on Monday, pausing after strong gains in the previous session, when Federal Reserve Chair Jerome Powell hinted that an interest-rate cut could be on the table at the central bank's meeting next month.

Stock futures were rising early Friday ahead of Federal Reserve Chair Jerome Powell’s keynote speech at the symposium in Jackson Hole, Wyoming. Investors are growing slightly less confident about inte