How is the multifamily investment market doing? Following a keynote from owner and developer Harbor Group International’s Yisroel Berg and law firm Herrick Feinstein’s Jonathan Adelsberg, the initial panel of the daylong forum dived into how the cost of debt was affecting the ability to purchase new apartment buildings. “We’re moving ahead with buying a portfolio in Florida, but we’re being cautious,” said David Hochfelder, the chief investment officer at Naftali Group.