Capital One announced it’s acquiring small business banking fintech Brex for $5.15 billion. Is it a good deal? There are pros and cons from both firms' perspectives.

Its the latest deal under Rich Fairbank, a rare founder-CEO of a major U.S. bank, who acquired rival card firm Discover Financial last year.

Capital One announced it’s acquiring small business banking fintech Brex for $5.15 billion. Is it a good deal? There are pros and cons from both firms' perspectives.