Dow Jones Industrial Average Closes Higher As JPMorgan Chase & Co (JPM) Climbs 1%

U.S. stocks closed higher for the fourth straight session Tuesday as concerns about the Greek debt crisis and the Iranian nuclear deal were offset by the start of earnings season. Market professionals are now turning their attentions to Federal Reserve Chair Janet Yellen, who is due to give semiannual testimony on monetary policy before Congress on Wednesday and Thursday.