Wall Street is pointing lower after the U.S. Federal Reserve issued projections of as many as two additional quarter-point rate hikes before the year is over. Futures for the Dow Jones Industrials fell 0.2% before the opening bell Thursday and the S&P 500 slipped 0.4%. Fed Chair Jerome Powell said the economy will have more time to absorb past hikes. One potential economic stumbling block appears to have been cleared, however. Late Wednesday, the union for thousands of West Coast dockworkers reached a tentative agreement on a new contract after more than a year of negotiations and several work disruptions that snarled shipping traffic at some of the largest ports.