What buying Commerzbank would mean for UniCredit — and the banking sector CNBCBerlin ‘very sceptical’ about UniCredit move on Commerzbank Financial TimesGerman Central Bank: Mergers Must Yield ‘Robust’ Competition PYMNTS.comGerman Finance Ministry Plans to Keep Selling Commerzbank Shares BloombergExclusive: Commerzbank readies talks with UniCredit but remains defensive Reuters