A Goldman Sachs sign is seen above the floor of the New York Stock Exchange shortly after the opening bell in the Manhattan borough of New York, in this January 24, 2014 file photo. Despite record deal volumes in 2015, Wall Street banks are earning less when helping companies raise equity in Asia as Chinese rivals increasingly eat away their margins, a Thomson Reuters quarterly survey of investment banking activity shows. REUTERS/Lucas Jackson/Files A Goldman Sachs sign is seen above the floor of the New York Stock Exchange shortly after the opening bell in the Manhattan borough of New York, in this January 24, 2014 file photo. Despite record deal volumes in 2015, Wall Street banks are earning less when helping companies raise equity in Asia as Chinese rivals increasingly eat away their margins, a Thomson Reuters quarterly survey of investment banking activity shows. REUTERS/Lucas Jackson/Files
A Goldman Sachs sign is seen above the floor of the New York Stock Exchange shortly after the opening bell in the Manhattan borough of New York, in this January 24, 2014 file photo. Despite record deal volumes in 2015, Wall Street banks are earning less when helping companies raise equity in Asia as Chinese rivals increasingly eat away their margins, a Thomson Reuters quarterly survey of investment banking activity shows. REUTERS/Lucas Jackson/Files

Goldman, Morgan Stanley claw back hedge fund trading business from European rivals

A Goldman Sachs sign is seen above the floor of the New York Stock Exchange shortly after the opening bell in the Manhattan borough of New York, in this January 24, 2014 file photo. Despite record deal volumes in 2015, Wall Street banks are earning less when helping companies raise equity in Asia as Chinese rivals increasingly eat away their margins, a Thomson Reuters quarterly survey of investment banking activity shows. REUTERS/Lucas Jackson/Files A Goldman Sachs sign is seen above the floor of the New York Stock Exchange shortly after the opening bell in the Manhattan borough of New York, in this January 24, 2014 file photo. Despite record deal volumes in 2015, Wall Street banks are earning less when helping companies raise equity in Asia as Chinese rivals increasingly eat away their margins, a Thomson Reuters quarterly survey of investment banking activity shows. REUTERS/Lucas Jackson/Files
A Goldman Sachs sign is seen above the floor of the New York Stock Exchange shortly after the opening bell in the Manhattan borough of New York, in this January 24, 2014 file photo. Despite record deal volumes in 2015, Wall Street banks are earning less when helping companies raise equity in Asia as Chinese rivals increasingly eat away their margins, a Thomson Reuters quarterly survey of investment banking activity shows. REUTERS/Lucas Jackson/Files
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