By Brian O’Connell With interest rates soaring, credit card consumers may be in for a shock On Wednesday, September 21, the Federal Reserve raised the interest rate on its benchmark Fed Funds rate by 0.75% — the third time in a row it’s done so. That move lands the current Federal Reserve rate at a range of 3.0% – 3.25%. What’s more, the Fed has signaled more rate hikes that will bring the Fed Funds rate up to between 4.0% and 4.50% by the end of 2022. The rate hikes — current and future — all have a big impact on consumer borrowing rates on key issues home mortgages, auto loans, and person…