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Now Playing: 05-11-12 Marketplace Mid-Day Update

We look at the JPMorgan Chase debacle that caused a $2 billion loss and explore how it may affect European banks and financial regulation efforts. Plus, meet the trader the losses are being attributed to: the London Whale. A new study says millennials are less likely to be brand loyal. And we look at young activists who are suing the government over climate change and the costs of dancing ballet.