China’s Yangtze River Delta grew faster than the national economy in the first three quarters of the year, accounting for about a quarter of national output – a performance analysts said would help lay the foundation for Beijing to meet its annual national growth target. But they also cautioned that exports and hi-tech manufacturing alone could not sustain longer-term growth without a recovery in sluggish domestic demand. The combined gross domestic product of Shanghai, Jiangsu, Zhejiang and...