articleThe Brief The Federal Reserve will keep the key interest rate unchanged. Many investors expect the Fed to raise interest rates as soon as September if inflation remains elevated. The Federal Reserve voted 9-3 to leave the key interest rate unchanged on Wednesday, though markets widely expect policymakers to approve a rate hike at their next meeting in September. New Fed Chair Kevin Warsh told Congress earlier this month that he had "no tolerance’’ for elevated inflation. High interest rates mean larger monthly payments on mortgages, car loans and credit cards, even if the price of a home or vehicle hasn’t changed.