JPMorgan stock slumps as interest income warning rattles market Yahoo FinanceJPMorgan Chase shares drop 5% after bank tempers guidance on interest income and expenses CNBCJPMorgan Leads Banks in Dimming Outlooks, Spoiling Win on Rules BloombergWhy Bank Stocks Are Getting Hit Hard Today The Wall Street JournalJPMorgan Chase stock just had its worst drop in 4 years after warning of lower ‘net interest income’ Quartz