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KAO, do not bother to i-GOOGLE?

labu vs labd

IBB is an ishares' ETF, belongs to Blackrock  INC, following performance of NASDAQ listed biotechs.
XBI is a PRoshares ETF, owned by Profund Group, following performance of S$P listed biotechs
戒无可戒再戒一戒 忍无可忍还忍一忍,
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