Categories Articles The S&P 500 is seen as a gauge of the stock market itself – here’s how this widely watched stock index works Post author By crystalg Post date January 30, 2021 Business Insider Business Insider Tags gauge, Here's, index, Itself, Market, seen, Stock, this, watched, widely, Works ← Why Your Life, Like Any Successful Company, Should Have a Business Model → Tattoo Artists Face Serious Risk Of Neck, Back Injuries, Study Finds