根据雄金的运作方式的不同，证券投资基金可划分为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25453' and id < 2143639 and id<>'2143639' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25453' and id > 2143639 and id<>'2143639' order by id asc limit 5