U.S. stocks fell on Tuesday as concerns brewed that the Federal Reserve will hike interest rates sooner than later, though Apple (NASDAQ:AAPL) stocks advanced earlier after the tech giant unveiled two new phone models as well as a smartwatch. U.S. stocks dip on rate hike concerns, Apple fades; Dow falls 0.57% Stocks fall on rate hike concerns, Apple rallies but ends in negative territory At the close of U.S. trading, the Dow 30 fell 0.57%. Expectations that borrowing costs are poised to rise in the U.S. took their toll on Wall Street Tuesday, especially as Treasury yields rose. Leading Dow Jones Industrial Average performers included United Health Group Incorporated (NYSE:UNH), up 0.74%, Microsoft Corporation (NASDAQ:MSFT), up 0.62%, and Coca-Cola Company (NYSE:KO), up 0.38%. The Dow Jones Industrial Average's worst performers included Home Depot Inc (NYSE:HD), down 2.08%, McDonald's Corporation (NYSE:MCD), down 1.52%, and Goldman Sachs Group Inc (NYSE:GS) down 1.50%.