On this edition of Wall Street Week, Ed Hyman, Evercore ISI Chairman and Bob Prince, Bridgewater Co-CIO wrap up a week in the markets that snapped the longest weekly rally since November. Sonja Gibbs, Institute of International Finance Managing Direc... (more)tor and Head of Sustainable Finance discusses why it is helpful to keep zombie companies afloat but that it may come at a price. Former US Treasury Secretary Lawrence H. Summers weighs in on the current state of the US housing market and more.