Stock market today: Dow soars 400 points, to new high S&P 500 notches record close Yahoo FinanceStock Market News: Dow, S&P 500 Set Record Highs Barron’sDow, S&P 500 close on new record highs as banks kickoff earnings Yahoo FinanceStock Market Today: JPMorgan Chase Kicks Off Bank Earnings; S&P 500 Hits New Intraday High The Wall Street JournalStock Market Today: Dow heads for fresh record high as JPMorgan’s stock surges MarketWatch