Marshall Hargrave is a stock analyst and writer with 10+ years of experience covering stocks and markets, as well as analyzing and valuing companies. Dr. JeFreda R. Brown is a financial consultant, ...

Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

In response to my article, Is the Stock Market Too Concentrated?, which relied upon standard-deviation calculations to assess investment risk, a reader wrote: “My problem [with your argument] is ...

Quick take: At the end of September the S&P 500 index price was 68% above its long-term trend, up from 66% above trend the previous month. About the only certainty in the stock market is that, over ...

Quick take: At the end of March the inflation-adjusted S&P 500 index price was 98% above its long-term trend, unchanged from the previous month. About the only certainty in the stock market is that, ...