Dow futures sink more than 300 points after Fed meeting.

U.S. stock-index futures sank early Thursday, as investors digested the possibility of multiple interest-rate hikes by the Fed this year, starting as soon as March. Dow Jones Industrial Average futures YM00, -0.13 percent slid more than 300 points, or 1 percent, with SandP 500 futures ES00, -0.09 percent and Nasdaq-100 futures NQ00, 0.06 percent also off more than 1 percent. During regular trading Wednesday, the Dow Jones Industrial Average DJIA, -0.38 percent fell 129.64 points, or 0.4 percent, to finish at 34,168.09, after earlier pushing as high as 34,815.67. The SandP 500 index SPX, -0.15 percent shed 6.52 points, or 0.2 percent, ending at 4,349.93, while the Nasdaq Composite Index COMP, +0.02 percent added 2.82 points, or less than 0.1...