JPMorgan Chase CEO Jamie Dimon on Tuesday said that while the U.S. economy has stayed strong through the second quarter of this year, there remain potential stumbling blocks to the economic outlook. Dimon said that the "U.S. economy has remained resilient" and noted that while there are potential boosts coming from the enactment of Republicans' tax and spending package, other headwinds could dampen the economic outlook going forward."The finalization of tax reform and potential deregulation are positive for ...