Inflation rate leaps to nearly 3-year high after Iran war. The Fed’s hands are now tied.

A key measure of inflation used by the Federal Reserve to set interest rates posted the biggest increase in March in almost three years, marking another major hurdle for a resilient but harried U.S. economy.

​A key measure of inflation used by the Federal Reserve to set interest rates posted the biggest increase in March in almost three years, marking another major hurdle for a resilient but harried U.S. economy.