Tony Dwyer, Canaccord Genuity Chief Market Strategist, thinks it's impossible to make an investment decision off of a tweet. Elaine Kamarck, Brookings Center For Effective Public Management Director, discusses Trump's negotiating tactics with China. Margie Patel, Wells Fargo Asset Management Senior Portfolio Manager, says the outlook for equity markets is still pretty positive. And Doug Kass, Seabreeze Partners President, analyzes Amazon's challenges.