Fed orders another super-sized interest rate hike as it battles stubborn inflation

The Federal Reserve ordered another super-sized jump in interest rates today, and signaled that additional rate hikes are likely in the coming months, as it tries to put the brakes on runaway prices.

The central bank raised its benchmark interest rate by 0.75 percentage points Wednesday, matching hikes in June and July. The Fed has been boosting borrowing costs at the fastest pace in decades. But so far, its actions have done little to curb the rapid run-up in prices.

The annual inflation rate in August was 8.3% — down only slightly...