CNBCDow jumps 400 points for best day since April on strong earningsCNBCStocks rose sharply on Tuesday after the release of strong quarterly results from some of the largest U.S. companies helped the market recover from last week's sell-off. The Dow Jones Industrial Average surged 400 points, with UnitedHealth outperforming.Opinion: If US stocks suffer another correction, start worryingMarketWatchWill Corporate Earnings Calm the Stock Market's Nerves?Wall Street JournalThe Dow jumps more than 350 pointsBusiness Insiderall 256 news articles »