Mark Hayes was a Washington policy wonk on a long and steady ascent. A series of emails to a client was all it took to put that carefully crafted career on hold.
For all the talk that "Wall Street is back" from the ravages of the 2008-2009 crisis, there are signs that the financial industry is undergoing a profound transformation, writes Francesco Guerrera.
Thomson Reuters and Markit, rival data providers, have teamed up with investment banks to build a new messaging service to challenge competitor Bloomberg LLP.
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