Stocks are closing sharply higher on Wall Street as investors are relieved that midterm elections went as they had expected, leaving split control of Congress, the AP reports. Health care stocks did especially well Wednesday after the Democrats took the House of Representatives, greatly decreasing any chance that the Affordable Care Act will be repealed. UnitedHealth rose 4.2%. After sustaining big losses in October, stocks are now the highest they've been in four weeks. The S&P 500 index rose 58 points, or 2.1%, to 2,813. The Dow Jones Industrial Average climbed 545 points, also 2.1%, to 26,180. The Nasdaq composite jumped 194 points, or 2.6%, to 7,570. (More stock market stories.)