As for Commerzbank, major shareholder Cobra investment group has already indicated that the end of the merger will almost certainly mean a cross border deal for its subsidiary.
Moreover, Cobra, a group of investors that is one of Commerzbank's biggest shareholders, has long been griping about the bank's share price and itching for a decent bid.
Cobra requires companies with more than 20 employees that already offer group health insurance to continue the insurance for former employees for up to 18 months.