Trading Probe Breaks String of Gains for U.S. Exchange Operators
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Things had been improving for U.S. stock exchanges, with volume rising, the bull market entering its sixth year and investors coming back to the market.
The run of luck was broken yesterday by New York Attorney General Eric Schneiderman, who is probing whether U.S. markets are giving high-frequency traders unfair advantages by offering faster access and data than is normally available to the public. Nasdaq OMX Group Inc.’s stock fell the most in seven months.