Dow Jones Today: S&P 500 Hits All-Time High as Airline Stocks Soar After Strong Delta Earnings Report; Bitcoin Surges to Record InvestopediaDelta grows optimistic as consumer travel rebounds AxiosDelta's Stock Soars Over 10% on Signs of ‘Stabilized' Travel Demand The New York TimesS&P 500 and Dow gain, airline stocks fly on Delta's forecast ReutersDelta shares jump