When Europe's finance ministers emerged in the early hours of May 10th to announce a €750 billion ($950 billion) rescue of the embattled euro zone, some joked that they had thrown everything at the problem "including the kitchen sink". It turns out there are a few more implements left to hurl.rnGermany this week announced a ban on the naked short-selling of euro-area government bonds and shares of some financial firms, and on the buying of sovereign credit-default swaps by investors who have not also bought the underlying bonds.
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