Vice-President of the European Central Bank (ECB) Luis de Guindos gives a statement during the second day of the Informal Meeting of EU Ministers for…

The headquarters of the European Central Bank (ECB) in Frankfurt, Germany on March 12, 2016. (Kai Pfaffenbach/Reuters)

Euro bank notes are exhibited at Austrian central bank's Money Museum in Vienna, Austria, on Nov. 14, 2017. (Heinz-Peter Bader/Reuters)

Christine Lagarde, head of the European Central Bank (ECB), arrives to speak to the media following a meeting of the ECB Governing Council in Frankfurt,…

The headquarters of the European Central Bank (ECB) in Frankfurt, Germany on March 12, 2016. (Kai Pfaffenbach/Reuters)

The headquarters of the European Central Bank (ECB) in Frankfurt, Germany on March 12, 2016. (Kai Pfaffenbach/Reuters)

The headquarters of the European Central Bank (ECB) in Frankfurt, Germany on March 12, 2016. (Kai Pfaffenbach/Reuters)

Christine Lagarde, head of the European Central Bank (ECB), arrives to speak to the media following a meeting of the ECB Governing Council in Frankfurt,…

Saule Omarova during her nomination hearing to be the Comptroller of the Currency with the Senate Banking, Housing and Urban Affairs Committee on Capitol Hill…

A commuter train passes by the skyline with its financial district ahead of the European Central Banks (ECB) governing council meeting later this week in…