Shanghai plunges 3.7% after the government further cranks up property tightening measures, with a gauge of property developers falling 9.3%. "When there are new rules like these, it extends far beyond property shares," says an analyst. Industrial Bank -9.1%. FXI -1.8% premarket. Losses extend to Hong Kong, EWH -0.7% premarket, and the States, SPY -0.5%.