In This Story M +6.60% TJX +0.57% AMZN +0.07% COST +0.78% BIG To shore up their profit margins, at least 50 major U.S. retailers, including Macy’s and T.J. Maxx owner TJX ( TJX +0.57% ), hiked interest rates on their store credit cards ahead of the Federal Reserve’s anticipated rate cuts, according to a Bankrate survey that analyzed data from 100 of the nation’s largest retailers. Suggested Reading Amazon is putting billions more into AI startup Anthropic The TSA says more people than ever are