Why are China instant noodle sales going off the boil?

Why are China instant noodle sales going off the boil?
Until 2014 the number of rural Chinese who had moved to cities had been on the rise. But that trend has now reversed for two consecutive years (and is expected to keep doing so when the 2017 data comes out). Last year 1.7 million fewer migrant workers lived in cities than in 2015, which quite ...