<TABLE> <S> <C>

<PAGE>
<ARTICLE> BD
<LEGEND>
This financial data schedule has been restated to reflect the acquisition of
ASBI Holdings, Inc. on April 28, 2000, accounted for under the
pooling-of-interests method.
</LEGEND>

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          JUN-30-2000             JUN-30-2000             JUN-30-2000
<PERIOD-START>                             JUN-26-1999             JUN-26-1999             JUN-26-1999
<PERIOD-END>                               SEP-24-1999             DEC-31-1999             MAR-31-2000
<CASH>                                          25,621                  36,729                  31,612
<RECEIVABLES>                                3,361,283               4,362,516               5,039,338
<SECURITIES-RESALE>                            190,164                       0                       0
<SECURITIES-BORROWED>                        2,550,447               3,151,883               3,425,380
<INSTRUMENTS-OWNED>                             68,819                  76,154                 123,915
<PP&E>                                          13,627                  14,512                  15,686
<TOTAL-ASSETS>                               4,062,477               5,109,726               5,851,707
<SHORT-TERM>                                    38,700                 103,800                 262,664
<PAYABLES>                                   3,363,821               4,250,334               4,715,595
<REPOS-SOLD>                                         0                       0                       0
<SECURITIES-LOANED>                          2,541,628               3,158,078               3,413,145
<INSTRUMENTS-SOLD>                              19,779                   7,554                  26,516
<LONG-TERM>                                     57,500                  57,500                  57,500
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                         1,441                   1,442                   1,444
<OTHER-SE>                                     239,704                 279,575                 301,419
<TOTAL-LIABILITY-AND-EQUITY>                 4,062,477               5,109,726               5,851,707
<TRADING-REVENUE>                                4,303                  30,032                 115,506
<INTEREST-DIVIDENDS>                            53,185                 115,367                 191,032
<COMMISSIONS>                                   15,232                  33,853                  55,778
<INVESTMENT-BANKING-REVENUES>                    6,786                  15,113                  21,976
<FEE-REVENUE>                                   10,208                  24,754                  45,086
<INTEREST-EXPENSE>                              34,364                  74,946                 127,034
<COMPENSATION>                                  28,132                  69,907                 118,236
<INCOME-PRETAX>                                  7,707                  35,979                 120,192
<INCOME-PRE-EXTRAORDINARY>                       7,707                  35,979                 120,192
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     6,153                  25,443                  81,129
<EPS-BASIC>                                        .39                    1.60                    5.12
<EPS-DILUTED>                                      .38                    1.59                    5.07


</TABLE>