U.S. Federal Reserve Chair Janet Yellen

U.S. Federal Reserve Chair Janet Yellen

Andrew Harrer/Bloomberg

Janet Yellen, chair of the U.S. Federal Reserve, speaks during a news conference following a Federal Open Market Committee (FOMC) meeting in Washington, D.C. The Federal Reserve will probably announce a fourth straight stimulus cut at the conclusion of a two-day meeting tomorrow, economists polled by Bloomberg say.