CNBC | Dow closes up more than 100 points; biotech, oil eyed CNBC U.S. stocks closed higher Wednesday, helped by a recovery in health care stocks and gains in energy, as investors awaited the beginning of earnings season. ( Tweet This ). The Dow Jones industrial average closed up about 120 points after rising as much ... Wall Street pares gains as oil rally fades US Stocks Rise Amid Health-Care Rebound |