Banks in EU are very strong, because Germany and France are very rich countries, so banks hace a lot of money. Some small bank problems are not important for whole EU market. 
Germany banks are full of derivatives,French banks are same nightmare like French economy
All that is balancing on the edge of catastrophe,frauds,money laundering,Panama papers Deutche Bank has 40000 firms like that all over the world irms were Drugs cartels,w eapon traders,and top politicians are meeting each other
French and Germans banks are tick tack nuclear economic mega bomb