Stock market volatility continues, as investors gauge the impact of the coronavirus on the global economy. We turn to dealmakers from Riverside, Merrill Corp. and Paul Hastings for insights on how the virus will affect the middle market. Houlihan Lokey, headquartered in Los Angeles, tops the list of most active investment banks in PE-backed deals. Audax, in Boston, ranks as No. 1 in PE firms doing U.S. deals.