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NY authorities probing foreign exchange options market: source

New York State attorney general Eric Schneiderman speaks at a rally to celebrate the passage of the minimum wage for fast-food workers by the New York State Fast Food Wage Board in New York July 22, 2015. REUTERS/Brendan McDermid

NEW YORK (Reuters) - New York Attorney General Eric Schneiderman's office is investigating the posting of false bids and offers in the foreign exchange options market for emerging market currencies, a person familiar with the matter said on Monday.

The person, who spoke on condition of anonymity, said subpoenas were issued last week to four brokerages: TFS-ICAP, BGC Partners, GFI Group and Tullett Prebon Financial Services.

(Reporting by David Ingram; Editing by Bill Rigby)