We Are Witnessing the Stock Market Do Something for Only the 2nd Time in 155 Years, and History Is Clear About What Comes Next

A widely followed valuation gauge is flashing a warning. Another, made famous by Warren Buffett, is too. Here's what they tell investors.

يعرض MarketNews العنوان والملخص كما نشرتهما الوسيلة الإعلامية. المقال الكامل متوفر على موقع الناشر. (www.fool.com)