World markets pummeled by Chinese economic stall

World stock markets plunged further on Tuesday as more evidence emerged of China's economic slowdown, triggering heavy sell-offs from Tokyo to New York and spurring cuts to global growth forecasts. The spark for the day's rout came from fresh official data that showed industrial activity in China stalling. Adding her voice to private sector economists that have already cut their world growth estimates, International Monetary Fund managing director Christine Lagarde said growth would likely be we