Rebecca Ungarino President Donald Trump’s looser financial regulation has helped send bank mergers to a four-year high—and more are on their way. Risks and opportunities abound. Look no further than Comerica, the 34th-largest U.S. lender. It began life as the Detroit Savings Fund Institute, an early provider of savings accounts for customers who enjoyed a perk that was novel in the 1840s: earning interest on deposits. Over time, the firm combined with competitors, rebranded, and moved its headquarters to Dallas. These days, ComericaCMA+1.44%—the product of decades of mergers and centuries of reinvention—finds itself at a critical juncture in what could be the … Continue reading A New Wave of Bank Mergers Is Just Getting Started