50% Tech + 50% Energy: Does This Simple Portfolio Beat the S&P 500?
A viral tweet claims: 50% XLK + 50% XLE beats the S&P 500. We ran 22 years of data against it — with real transaction costs and three rebalancing variants.
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Friday the 13th on the Stock Market: Curse or Blessing?
Do SPY, QQQ, and the DAX really perform worse on the „unlucky day"? We analyzed every Friday the 13th since 2004 — and the superstition doesn't hold up against the data.
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S&P 500 Joiners & Leavers: The Index Curse Fact-Checked
What really happens after index inclusion? We analyze joiners and leavers since 2004 and show why the effect has become more brutal since 2021.
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