<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 031
<NAME> WM SAM BALANCED PORTFOLIO CL.A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> APR-30-2000
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<SHARES-COMMON-STOCK> 28,234,794
<SHARES-COMMON-PRIOR> 27,305,754
<ACCUMULATED-NII-CURRENT> 0
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<APPREC-INCREASE-CURRENT> 37,812,996
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</TABLE>