Michael Purves, Tallbacken Capital Advisors CEO, thinks that earnings season so far has been an important affirmation of what the bulls would like to see. Axel Christensen, BlackRock Chief Investment Strategist For Latin America, says Chile's President-elect Alberto Fernandez will have to negotiate deep structural changes in Argentina. Stephanie Kelly, Aberdeen Standard Senior Political Economist, says U.K. growth has been very weak relative to its potential. Gina Martin Adams, Bloomberg Intelligence Chief U.S. Equity Strategist, says that heading into third quarter earnings, investors were very bearish. And Sameer Samana, Wells Fargo Investment Institute Senior Global Market Strategist, says macro events like trade uncertainty and Brexit affect levels of volatility, but the market is primarily driven by the Fed.