Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. The Ulcer Index (UI) is a technical indicator that quantifies downside risk by measuring the depth and duration of ...

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TIOBE Index for January 2026: Top 10 Most Popular Programming Languages Your email has been sent January’s TIOBE Index begins the year with familiar names still setting the pace, but the underlying ...

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The three main differences between index funds and mutual funds are management style, investment objective and cost. Index funds tend to be the clear winner over the long term. Many, or all, of the ...