The first domino: A bad U.S. economic outlook, reflected in Friday’s jobs report, helped prompt major stock sell-offs globally over the weekend. “Japanese stocks collapsed on Monday in their biggest single day rout since the 1987 Black Monday sell-offs,” reports Reuters, with the Nikkei 225 index falling 12.4 percent and the Topix index falling 12.2 percent. The Kospi index in South Korea fell more than 10 percent. Equity markets felt the pain in Taiwan, Australia, Singapore, Hong Kong, and China, though to a lesser degree. “At one point, the plunge in Japanese and Korean stocks tripped a ‘cir…