M&A wrap: Coronavirus, Riverside, Nixon Peabody, Aon, Willis Towers, Madison Dearborn, Compass Diversified, PEWIN

Fears continued to spread on Wall Street, including temporarily halting trading on Monday morning, as global cases in Coronavirus rise. We check in with dealmakers from Riverside, Merrill Corp. and Paul Hastings about the potential impact on mid-market M&A. Aon merges with Willis Towers.