John Stoltzfus, Oppenheimer Chief Investment Strategist, explains the reasoning behind his street-high S&P target of 5,330. Daniel Skelly, Morgan Stanley Wealth Management Head of Market Research & Strategy, discusses the factors behind the firm's 4,400 S&P call. Michael Gapen, Barclays Chief Economist, reacts to the jump in U.S. PPI. Kathy Jones, Charles Schwab Chief Fixed Income Strategist, says credit is "all good, except the yield." Dr. Amesh Adalja, Johns Hopkins Center for Health Security Senior Scholar, discusses the Covid-19 omicron variant and the importance of first and second vaccine doses for the unvaccinated over booster shots.