ETF Battles: QQQ vs. XLK, who wins?
This is an excerpt from ETF Battles on ETFguide TV between QQQ vs. XLK – two of the largest technology ETFs by assets and trading…
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Tag: XLK
Should You Make Portfolio Decisions Based Upon Historical Correlations?
Market correlations explain to us the similarity in performance and behavior by different types of assets. For investors,  correlation comparisons might be between two commodities (NYSEARCA:DBC),…