A 'classic topping formation' that has shown up in every stock-market peak over the past 5 decades is rearing its head once again

A potential "double top" is forming in the S&P 500, according toGluskin SheffChief Economist and Strategist David Rosenberg. At the same time, volume and stock-market breadth are declining. That pattern has shown up in every topping process over the past five decades. Signs of a stock-market meltdown keep piling up, and now it's time to add a "classic topping formation" that has shown up in the charts, according to Gluskin SheffChief Economist and Strategist David Rosenberg. In a chartbook sent ...