On a slightly different bubble....
...As well as the fine [the banks] now have to refund losses to their clients.
This was a bit of a bubble that occured all around the world and probably drove the price up at the time. Since 2011 however, with various ups and downs, the price of diamonds has remained reasonably stable.
At least these diamond investors were able to get their money back. I doubt that Bitcoin 'investors' will get any compensation.