 Delta tumbled more than 8% after it reported lagging profits. The Atlanta Airlines results dragged other airlines lower, with United and American falling 4.5%, and Southwest and JetBlue each losing 2.6%. PepsiCo fell more than 2% after reporting weakening demand. Later today, the U.S. government will release data on consumer prices that will actually come up shortly, which the Federal Reserve will consider at its next policy meeting next month.