OLDWICK, N.J.--(BUSINESS WIRE)--In this “First Monday” episode, A.M. Best’s Managing Director of Analytics Stefan Holzberger explains how the low interest rate environment is creating refinancing opportunities but also is producing mismatched portfolios with depressed investment returns. Click on http://www.ambest.com/v.asp?v=fmeurorates715 to view the video program. “First Monday” is A.M. Best’s monthly program featuring commentary by the company's leading analysts. While the low interest rate