A sign hangs above the entrance to a branch of Banca Monte dei Paschi di Siena SpA bank after the Italian vote on constitutional reform referendum in Rome, Italy, on Monday, Dec. 5, 2016. Banca Monte dei Paschi di Siena SpA shares seesawed on Monday after Prime Minister Matteo Renzis decision to resign added to uncertainty about the banks plans to raise as much as 5 billion euros ($5.3 billion) in capital by the end of the year. Photographer: Chris Ratcliffe/Bloomberg via Getty Images
A sign is engraved above the entrance to a branch of Intesa SanPaolo bank on the final day of campaigning for the referendum on constitutional reform, in Rome, Italy, on Friday, Dec. 2, 2016. Italians will vote on constitutional changes proposed by Prime Minister Matteo Renzi to limit the power of the Senate, the upper house of parliament. Photographer: Chris Ratcliffe/Bloomberg via Getty Images
The Italian national flag, left, and the European Union flag hang above the entrance to the Palazzo Chigi on the final day of campaigning for the referendum on constitutional reform, in Rome, Italy, on Friday, Dec. 2, 2016. Italians will vote on constitutional changes proposed by Prime Minister Matteo Renzi to limit the power of the Senate, the upper house of parliament. Photographer: Chris Ratcliffe/Bloomberg via Getty Images
