Bank of America, Citizens Financial Group, Comerica and Regions Financial Corp. are among the banks that have the most to gain should the Federal Reserve follow through on its promise to speed up the pace of interest-rate hikes this year, according to an analysis by RBC Capital Markets. In a research note published Friday, RBC used data about interest-rate sensitivity provided by the top 20 banks in the U.S. to determine that, on average, these banks would see their net interest revenue — essentially the money they make off their loan portfolios — increase by the equivalent of 7.1% of their 2017 profit estimates. That could be good news for shareholders, as a coterie of Wall Street investment