WASHINGTON -- A Senate panel has subpoenaed financial institutions, including Goldman Sachs Group Inc. and Deutsche Bank AG, seeking evidence of fraud in last year's mortgage-market meltdown, according to people familiar with the situation.
The congressional investigation appears to focus on whether internal communications, such as email, show bankers had private doubts about whether mortgage-related securities they were putting together were as financially sound as their public pronouncements suggested. Collapsing values for many of those securities played
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