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Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

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We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Duncan Niederlitz and Eve O'Neill Bike thieves are a persistent plague. The ...