FILE PHOTO: The logo of Swiss bank Credit Suisse is seen below the Swiss national flag at a building in the Federal Square in Bern May 15, 2014. REUTERS/Ruben Sprich/
FILE PHOTO: The logo of Swiss bank Credit Suisse is seen below the Swiss national flag at a building in the Federal Square in Bern May 15, 2014. REUTERS/Ruben Sprich/