Stock and derivative exchanges had merger fever in 2011, but that's meant little for their...

|By:, SA News Editor

Stock and derivative exchanges had merger fever in 2011, but that's meant little for their public stockholders: Some $37B in announced deals have failed to go through and more than $21B in equity value vanished. One manager: "The next time any exchange announces any merger whatsoever, I’m selling the stock instantaneously." This year: DBOEY.PK -20.5%, NYX -12.5%, ASXFY.PK -14%, LDNXF.PK -4.7%. (More time for NYX/DBOEY.PK)