Σύμφωνα με το λεξικό του Ι.Χρυσοβιτσιώτη and Investopedia
What Does Flexible Fund Mean?
A mutual fund or other pooled investment that may change its investment strategy as it sees fit, as opposed to sticking to one particular investment vehicle, company size, or asset allocation. If a fund is flexible in its strategy, this will usually be stated in the prospectus and/or other marketing material.


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Note added at 1 hr (2011-07-21 14:14:42 GMT)
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Δες και εδώ:http://www.tfunds.gr/html/AAABDomesticMoneyMarketFund.htm

Το ΑΑΒ ειναι η κατηγορία

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Note added at 1 hr (2011-07-21 14:40:33 GMT)
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Also you can say AAAB Domestic Money Market Fund