Bill.com, a cloud-based payments service for SMBs, has agreed to acquire expense management software provider Divvy for $2.5B in cash and stock (Luisa Beltran/Barron's Online)

Luisa Beltran / Barron's Online:
Bill.com, a cloud-based payments service for SMBs, has agreed to acquire expense management software provider Divvy for $2.5B in cash and stock  —  The fintech Bill.com is buying Divvy, an expense reporting start-up, for $2.5 billion.  —  The deal, announced Thursday, calls for Bill.com …