The pan-European STOXX 600 index rallied 1.1pc to hit a record high of 461.75, and marked a 1.5pc weekly rise - its biggest weekly gain since early May.
"We have experienced highly unusual interest rate levels for a long time now, and there is no prospect of this changing," Danske's head of personal customers, Mark Wraa-Hansen, said in a statement.
Danske said it would apply the same rate, -0.6%, as it currently charges. That reflects the rate the lender pays by depositing money at Denmark's central bank.
Chris Vogelzang resigned unexpectedly after Dutch authorities labelled him as a suspect in a separate case at his former employer, ABN Amro.
"The plan is to fully continue the strategy that Chris Vogelzang and the rest of the management team have set out," Egeriis told Reuters after his appointment.
Danske reported a fourth-quarter net profit of 1.45 billion Danish crowns ($234.06 million), just below the 1.5 billion forecast by analysts in a Refinitiv poll.
Other European government bond yields were also lower, but the drop was more moderate, with peripheral countries roughly in line with the core, tracking U.S. Treasuries.
The EU's chief executive said on Wednesday she could not say if there would be a trade deal with Britain but there had been progress and the next few days would be critical.