Mohamed El-Erian, Allianz Chief Economic Adviser & Bloomberg Opinion Columnist, foresees a "whatever it takes" approach for central banks. Francisco Blanch, Bank of America Global Head of Commodities & Derivatives Research, says brent oil could dip into the $20s. John Wraith, UBS Head of U.K. Rates Strategy, says the markets are anticipating rates getting close to zero. Gina Martin Adams, Bloomberg Intelligence Chief Equity Strategist, says panicked behavior creates opportunity for investors. Luke Kawa, Bloomberg Corss-Asset Reporter, discusses volatility in the U.S. 10-year yield.