China Q3 economic growth quickens to 7.8% y-o-y

China's annual economic growth quickened to 7.8% between July and September from 7.5% in the previous three months, the fastest growth this year and in line with expectations, official data showed on Friday.

Many investors have been concerned about the fragility of China's economic revival, especially after a surprise fall in export growth in September.

The world's second-largest economy grew 7.7% in the first nine months of 2013 from a year earlier, the data from the National Bureau of Statistics showed.

Other data released alongside the gross domestic product data showed industrial output grew 10.2% in September from a year ago, versus expectations of 10.1% showed in the Reuters poll.

Retail sales in September rose 13.3% on a year ago versus an expected 13.5%.

Fixed-asset investment grew 20.2% in the first nine months from a year earlier, versus an expected 20.3%. The government only publishes cumulative investment data.