XLK vs QQQ. Both have similar holdings(heavy tech). XLK is much cheaper to own and also out-performs QQQ. Make sure to always do your research on what you are holding : r/HighCaliberInvesting
QQQ vs. XLK: Which Top Tech ETF is Better?
QQQ vs XLK
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What's the difference between XLK and QQQ? - Quora
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QQQ vs. XLK: Which Top Tech ETF is Better?
ETF Battles: QQQ vs. XLK, who wins?
XLK VS QQQ ETF COMPARISON WITH ETF INSIDER, by Mickael durand
XLK vs QQQ: are they RISKY?! #kennethsuna #investingforbeginners
XLK vs QQQ. Both have similar holdings(heavy tech). XLK is much
What's the difference between XLK and QQQ? - Quora
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ETF Battles: QQQ vs. XLK, who wins?
ETF Battles: QQQ vs. XLK, who wins?