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

XLK vs QQQ. Both have similar holdings(heavy tech). XLK is much

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What's the difference between XLK and QQQ? - Quora

What's the difference between XLK and QQQ? - Quora