Jeffry The Federal Reserve is undergoing perhaps its biggest shakeup in leadership since it was created 104 years ago, a changing of the guard that could influence how quickly the central bank raises the cost of borrowing in the U.S. Outgoing Chairwoman Janet Yellen is expected to leave as soon as her replacement, Jerome Powell, is approved by the full Senate within the next few weeks. The vice chairman’s job is also open and three other seats on the seven-member board need to be filled. “We...