As deposits have flooded into the system and loan growth has been hard to come by, many banks find themselves drenched with excess liquidity. The dynamic has put considerable pressure on net interest margins but might not prove short-term in nature like many banks hope, according to Greg Hertrich, head of U.S. depository strategies at Nomura Securities. In the episode, Hertrich said those earnings pressures could remain in place for many banks, prompting them to consolidate branches — particularly in light of increased digital adoption — and pursue M&A activity.