John Kilduff, founding partner of Again Capital, talks about oil prices hitting below $50. David Hammer, head of municipal bonds in New York for Pacific Investment Management, discusses Puerto Rico's backruptcy. Matthew Mish, executive director of global credit strategy at UBS, talks about auto loan defaults and whether they signal broader U.S. consumer loan stress. Ning Tang, CEO and founder of CreditEase, discusses Chinese investors' growing appetite for U.S. investment, the financial technology IPO pipeline and outlook for the credit cycle.