Once again, the world’s investors are turning their worried gaze toward China. And for good reason. Economic growth in the third quarter sank to 6.5 per cent, the slowest pace since the depths of the global financial crisis in 2009. Car purchases fell last year for the first time in more than two decades. Apple’s warning in early January that iPhone sales in China were sagging alerted the world to how a slowing Middle Kingdom would drag down global growth and corporate profits. But the locals figured that out a while ago. Even after a recent uptick, the stock market