Jamie Dimon warns markets have 'too much exuberance

Hold the champagne — Jamie Dimon just gave investors a cause for pause. The JPMorgan Chase CEO told Bloomberg the markets may have "too much exuberance" and he's "kind of a skeptic."

These comments come at a time when the stock market has rallied sharply off its March lows. The S&P 500 Index (SPX) fell about 9% from its January high before recovering to a nearly 9% gain for the year. Dimon's cold-water remarks are a soft departure from general optimism. READ MORE