What buying Commerzbank would mean for UniCredit — and the banking sector CNBCGerman Central Bank: Mergers Must Yield ‘Robust’ Competition PYMNTS.comGerman Finance Ministry Plans to Keep Selling Commerzbank Shares BloombergBerlin blindsided after JPMorgan asked UniCredit to bid for Commerzbank stake Financial TimesExclusive: Commerzbank readies talks with UniCredit but remains defensive Reuters