Dark Pool Greed Drove Barclays to Lie to Clients, N.Y. Says

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Barclays Plc was so bent on lifting its private trading venue to the upper ranks of Wall Street dark pools that it lied to customers and masked the role of high-frequency traders, according to New York’s attorney general.

Barclays falsified marketing materials to hide how much high-frequency traders were buying and selling, according to a complaint filed today by Eric Schneiderman. Barclays runs one of Wall Street’s largest dark pools, a private trading venue where investors can trade stocks mostly anonymously.