Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2013

Summary of the segment financial information

A summary of the segment financial information is as follows (dollars in thousands):

	U.S. Operations (1)		Canadian Operations		European Operations		Asia Pacific Operations			Consolidated
Three Months Ended March 31, 2013
Total revenues	$	81,243	$	18,544	$	20,950	$	11,313		$	132,050
Income (loss) before income tax expense (benefit)	5,740		2,576		3,501		(865		)	10,952
Identifiable assets	1,888,817		97,632		1,271,052		743,862			4,001,363
Three Months Ended March 31, 2012
Total revenues	$	84,589	$	20,831	$	20,127	$	10,828		$	136,375
Income (loss) before income tax expense (benefit)	3,353		3,862		2,485		(1,206		)	8,494
Identifiable assets	1,657,150		95,324		994,500		1,061,221			3,808,195

(1) Income before income tax expense for the three months ended March 31, 2013 for the U.S. Operations includes the impact of $1.3 million in duplicate rent charges for the new U.S. headquarters in New York City.

Schedule of revenues by product group

	Three months ended March 31,
	2013		2012
Revenues by Product Group:
Electronic Brokerage	$	69,648	$	72,180
Research Sales and Trading	25,413		26,426
Platforms	25,099		25,744
Analytics	11,670		11,597
Corporate (non-product)	220		428
Total Revenues	$	132,050	$	136,375

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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