Wall Street set to open flat as investors await Fed minutes

The Fed left interest rates unchanged at its meeting last month but said near-term risks to the economy had diminished, leaving the door open for a possible rate hike this year. Investors will parse the minutes, due at 2:00 p.m. ET, for hints about when the Fed could next raise rates, especially in light of New York Fed President William Dudley's hawkish comments on Tuesday. Dudley, a permanent voting member and a close ally of Fed Chair Janet Yellen, said a rate hike as soon as September was po