Boston Mayor Martin Walsh says Trump needs to stop tweeting and focus on issues like infrastructure and the opioid epidemic. Prior to that, William Lee, Milken Institute's chief economist, says raising rates may cause consumers to start spending. Gerard Cassidy, RBC Capital Markets' managing director of equity research, says the real value is in the largest banks. Finally, Robert Sinche, a global strategist at Amherst Pierpont, says it's unhealthy for the Fed to own too much government debt.