Fed prepares another rate increase as Wall Street wonders what's next

Federal Reserve officials are set to make a second abnormally large interest rate increase on Wednesday as they race to cool down an overheating economy. The question for many economists and investors is just how far the central bank will go in its quest to tame inflation.

Central banks around the world have spent recent weeks speeding up their interest rate increases, an approach they’ve referred to as “front-loading.” That group includes the Fed, which raised interest rates by a quarter-point in March, a half-point in May and three-quarters of a point in June, its biggest move since 1994. Policymakers have