George Rusnak, Wells Fargo Co-Head of Global Fixed Income Strategy, says the fiscal and monetary stimulus injected into the U.S. economy is necessary but will cause challenges over time. David Bianco, DWS Investment Management Chief Investment Strategist of Americas & Head of U.S. Equities, says the American financial system is sound, despite a few challenges. Gina Martin Adams, Bloomberg Intelligence Chief Equity Strategist, says everybody focuses on the yield curve when they should be looking at the lack of revenue growth. Chris Verrone, Strategas Research Partners Head of Technical Analysis, says the signal from credit markets is a more important indicator for investors than the daily virus count.