The content originally appeared on: CNN The economy expanded by just 4.9% in the third quarter, compared with the same period a year earlier. That's much slower than the 7.9% increase China registered in the second quarter. It's also the weakest rate of growth since last year's July-to-September period, when GDP also grew 4.9%. 'The challenges of keeping the economy running smoothly have increased,' said Fu Linghui, spokesperson for China's National Bureau of Statistics, at a press conference in Beijing […]