Stock market today: Dow soars 400 points, to new high S&P 500 notches record close Yahoo FinanceStock futures are little changed with key corporate earnings on deck: Live updates CNBCCEOs and Analysts Are at Odds About S&P 500’s Earnings Outlook BloombergDow Jones Futures Fall As Boeing Tumbles On Profit Warning; Nvidia Stock Eyes New Highs Investor’s Business DailyThe Stock Market Enters Another Earnings Season. How to Invest. Barron’s