BATS Global Markets, the Lenexa-based electronic stock trading company, reported a slight increase in U.S. market volume in January from a year ago.
The company's two electronic exchanges combined for average daily volume that represented 10.4 percent of the overall market. That was up from 10.3 percent in January 2010.
BATS is the third-largest trading exchange behind the New York Stock Exchange and Nasdaq.
In Europe, the company reported a 73 percent increase in overall volume last month. That boosted BATS' market share in Europe to 6.8 percent, up from 4.6 percent a year earlier.
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