Russ Koesterich, BlackRock Global Allocation Fund Portfolio Manager, says markets will climb higher for the end of the year and explains the risk factors he sees and where he has been trimming exposure. Dr. Jennifer Nuzzo, Johns Hopkins Center for Health Security Senior Scholar, discusses winter outlook on Covid-19 and the confusion around booster shots. Thomas Costerg, Pictet Wealth Management Senior Economist, says he's positive on U.S. Growth as data shows an unexpected August increase in retail sales. Richard Thaler, Chicago Booth School Professor of Economics, Nobel Laureate and Co-Author of "Nudge: The Final Edition," discusses the biases and blunders of Covid-19.