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Louis Foy

Essays, research and tested strategies · Updated September 2026

Germany
Hatched from a cannon-ball

Prussia built an army to survive. Bismarck turned it into the nation. Was that so different from the rest of Europe?

Sep 30, 2026 · 16 min
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History

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Markets

Commodities
Cut the duds, keep the runners

A breakout strategy for commodity shares made money in each of the past five years, largely by admitting its mistakes the next morning

Sep 30, 2026 · 6 min
Insider trading
When the bosses buy

Clusters of insiders buying their own company’s shares have been followed by three-day gains since 2021. Fresh data will show whether the edge survives

Sep 30, 2026 · 6 min
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