<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 72,513
<SECURITIES> 291,987
<RECEIVABLES> 242,540
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 4,576,946
<PP&E> 209,943
<DEPRECIATION> 0
<TOTAL-ASSETS> 5,993,969
<CURRENT-LIABILITIES> 4,401,978
<BONDS> 0
0
0
<COMMON> 1,254
<OTHER-SE> 1,156,305
<TOTAL-LIABILITY-AND-EQUITY> 5,993,969
<SALES> 0
<TOTAL-REVENUES> 812,836
<CGS> 0
<TOTAL-COSTS> 631,936
<OTHER-EXPENSES> 22,558
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 11,806
<INCOME-PRETAX> 149,464
<INCOME-TAX> 61,280
<INCOME-CONTINUING> 88,184
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 88,184
<EPS-BASIC> 0.72
<EPS-DILUTED> 0.70
</TABLE>