S&P is ‘on borrowed time’—go short: Technician

US props up world ... for now: Pro

The is just coming off of its worst week since May 2012. But according to well-known technical analyst Carter Worth of Sterne Agee, it's about to get a lot worse for U.S. stocks.

Over the course of 2014, the S&P 500 has far outperformed equities around the globe. U.S. stocks are up 8.5 percent this year even after last week's selloff, while equities around the world (including the U.S.) are flat on the year, and many global markets have fallen sharply.