Financial stocks drop; NYSE Euronext down 5% By: MarketWatch April 30, 2012 at 11:55 AM EDT Financial stocks fall as exchange operator NYSE Euronext reports a 44% drop in first-quarter net profit partly due to a failed merger. Read More >> Related Stocks: American Express Bank of America FINANCIAL SEL JPMorgan Chase & Co Nasdaq OMX Group TravelersCompanies