1. Bank of New York Mellon is buying the global investment servicing unit of PNC Financial Services Group Inc. for $2.31 billion. The deal shifts $855 billion in assets under administration to BNY Mellon.
2. Chemical Financial Corp., the parent of Chemical Bank in Midland, Mich., is paying $84 million in stock for OAK Financial Corp., the parent of $840 million-asset Byron Bank in Byron Center, Mich.