The skirmishes signal cracks in the vast and unregulated market for such credit default swaps, where banks, hedge funds and others trade insurance against debt defaults.

• 这些纠纷反映出庞大而缺乏监管的信用违约掉期市场所存在的种种弊端。银行、对冲基金和其他机构都在这个市场内交易针对债务违约的保险产品。