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Deutsche Bank finds 'Sell in May' strategy unreliable, driven by few exceptional years.

Market News
30 Apr 2026
Proactive Investors
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Neutral
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Deutsche Bank's recent analysis shows the 'Sell in May and go away' strategy offers no consistent advantage over buy-and-hold investing. While it appears profitable on average since 1987, this is mainly due to three exceptional years (1998, 2001, 2002) when markets fell sharply in summer. Excluding these years, the strategy underperforms in most cases, including the past decade. Even a bond-enhanced version only marginally improves results and still lacks reliability. Deutsche Bank advises investors to ignore calendar-based rules and focus on market fundamentals instead.

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Slate Medicines appoints Mark W. Hahn to board to boost migraine drug development.

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