U.S. stock market futures were mixed Friday ahead of a pivotal speech from Fed Chair Jerome Powell in which the central bank chief will set out his views on where to take interest rates. Dow Jones Industrial Average futures rose 60 points,

U.S. stock index futures edged higher on Friday, recovering slightly from the previous session's losses as investors awaited Federal Reserve Chair Jerome Powell's address at the Jackson Hole Symposium for clues on the interest-rate path.