Biotech Looks Ready To Run, But ETFs, Which One? IBB Vs. XBI

Summary
IBB and XBI are similar in many ways, but their relative past performance does not tell the story. IBB is more concentra...
IBB and XBI are similar in many ways, but their relative past performance does not tell the story. IBB is more concentrated, and that is ultimately why I prefer it to XBI. Both ETFs target a similar objective, and are over-diversified. For reasons I explain here.
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