Banks have been suffering from ultra low, or even negative interest rates now for the better part of a decade. They are going to see a big up tick in earnings from this, which will be good news for their shareholders. However, whenever banks earnings go up and the countries that they operate in are in financial dir straits, you do tend to see calls for surcharges on said profits - so there'll be lots of focus on exactly how much money these banks are making. The banks we've been focusing on most recently is credit swiss. I won't go through the litany of scandals and missteps that they've made, but will be looking to see if is any evidence