XLK

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 volume.  Who wins the battle? QQQ and XLK go against each other in four key battle categories, including cost, performance and exposure strategy. Over the past decade, technology has been …

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Stock Market Pit

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), two stocks, a stock and a commodity, or even a stock and an index. Should correlations be used to make investment decisions? Over the past three years, the Technology Sector SPDR ETF …

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