Christopher Marangi, Gabelli Funds Co-CIO, says this correction is healthy and different. Subadra Rajappa, Societe Generale Head of U.S. Rates Strategy, says negative rates are not in the cards so there is only one way yields can go, either sideways or higher. Barry Ritholtz, Bloomberg Opinion Columnist and Ritholtz Wealth Management Founder, says a 10-20% pullback is overdue. Peter Westaway, Vanguard Chief European Economist, says the ECB is getting close to the end of the road for negative rates.