Before revision: In 2012, URLan accumulated a USD  6.2 billion loss on a credit derivatives portfolio, the so-called "London Whale" , partly as a consequence of de-correlations of non-perfectly correlated positions that were supposed to hedge each other.
After revision: In 2012, URLan accumulated a USD 6.2 billion loss on a credit derivatives portfolio, the so-called `London Whale' , partly as a consequence of de-correlations of non-perfectly correlated positions that were supposed to hedge each other.