<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<EXCHANGE-RATE>                                      1
<CASH>                                         137,205
<SECURITIES>                                   531,767
<RECEIVABLES>                                   41,007
<ALLOWANCES>                                       771
<INVENTORY>                                      6,359
<CURRENT-ASSETS>                               722,976
<PP&E>                                          39,344
<DEPRECIATION>                                   6,792
<TOTAL-ASSETS>                                 776,698
<CURRENT-LIABILITIES>                          210,330
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           425
<OTHER-SE>                                     563,447
<TOTAL-LIABILITY-AND-EQUITY>                   776,698
<SALES>                                        123,073
<TOTAL-REVENUES>                               123,073
<CGS>                                           33,066
<TOTAL-COSTS>                                  108,537
<OTHER-EXPENSES>                                10,350<F1>
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                236,410
<INCOME-TAX>                                    93,866
<INCOME-CONTINUING>                             83,894
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   142,569
<EPS-BASIC>                                       3.64
<EPS-DILUTED>                                     3.44
<FN>
<F1>OTHER EXPENSES REFERS TO EXPENSES OF $10,350 INCURRED IN CONJUNCTION WITH
CERTAIN RESTRUCTURING COSTS INCURRED IN 1999.
</FN>