(Reuters) -U.S. regional banks are ramping up mergers, fueled by expectations of a lighter regulatory approach under the Trump administration and the quest for bigger balance sheets that will help compete better against larger lenders amid economic and operational pressures. On Monday, in the biggest U.S. bank deal this year, Fifth Third Bancorp agreed to buy regional lender Comerica in an all-stock deal for $10.9 billion, creating the ninth-largest lender in the country. Here is an overview of the biggest deals in the space this year: Target Acquirer Deal Value Date Announced Pinnacle Financial $8.6 24-Jul Synovus Partners billion Financial* PNC Financial $4.1 8-Sep FirstBank billion Columbia Banking $2 billion 23-Apr Pacific Premier System Bancorp Huntington $1.9 14-Jul Veritex Bancshares billion Seacoast Banking $710.8 29-May Villages Corporation of million Bancorporation Florida Commerce $585 16-Jun Finemark Bancshares million Eastern Bankshares $490 24-Apr HarborOne Bancorp million Dogwood State TowneBank $476.2 19-Aug Bank million Guaranty Glacier Bancorp $476.2 24-Jun Bancshares million Southern States FB Financial $381 31-Mar Bancshares million Vista Bancshares National Bank $369.1 15-Sep Holdings million Westfield Bancorp First Financial $325 23-Jun Bancorp million American Bank Prosperity $321.5 18-Jul Bancshares million Bank of Idaho Glacier Bancorp $245.4 13-Jan million ESSA Bancorp CNB Financial $214 10-Jan million Provident Bancorp NB Bancorp $211.8 5-Jun million First IC MetroCity $206 17-Mar Bankshares million Old Point TowneBank $203 3-Apr Financial million * Merger of equals Source: LSEG, Reuters compilation (Reporting by Arasu Kannagi Basil, Ateev Bhandari and Pritam Biswas in Bengaluru; Editing by Sriraj Kalluvila) (The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)