Exhibit 23.4
CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS
As independent certified public accountants, we hereby consent to use of
our report dated July 14, 2000, with respect to the TradeStation Group, Inc.
balance sheet included in this Amendment No. 4 to Registration Statement on
Form S-4 and to all references to our Firm included in or made a part of this
Registration Statement.
/s/ Arthur Andersen LLP
Arthur Andersen LLP
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Miami, Florida,
December 11, 2000.
