By Chuck Mikolajczak NEW YORK (Reuters) – U.S. stocks fell on Wednesday, with the Dow and S&P 500 on track to snap four-session winning streaks, as recent signs of progress for peace talks between Ukraine and Russia waned against a backdrop of a hawkish central bank denting economic growth. Russian forces bombarded the outskirts of Kyiv and a besieged city in northern Ukraine on Wednesday, a day after promising to scale down operations there in what the West dismissed as a ploy to regroup by invaders suffering heavy losses. While the S&P has rebounded more than 5% in March after starting the y…