Stephen Biggar and Dory Wiley break down second-quarter results from major banks including JPMorgan Chase (JPM), Bank of America (BAC), Wells Fargo (WFC), Citigroup (C) and Goldman Sachs (GS). They discuss how strong capital markets activity, investment banking and net interest income are supporting profits, and why a favorable regulatory environment could help drive additional growth and M&A activity through the rest of the year.