Wall Street's major averages ended mixed as investors eyed fiscal stimulus in the United States amid the Covid-19 crisis. On Monday, the Dow Jones Industrial Average increased 357.96 points, or 1.30 percent, to 27,791.44. The S&P 500 was up 9.19 points, or 0.27 percent, to 3,360.47. The Nasdaq Composite Index slipped 42.63 points, or 0.39 percent, to 10,968.36, Xinhua news agency reported. Six of the 11 primary S&P 500 sectors ...