Trains at the Chongqing Railway Port in Chongqing. China is no longer set to eclipse the US as the world's biggest economy soon, and it may never consistently pull ahead to claim the top spot as the nation’s confidence slump becomes more entrenched. Photograph: Qilai Shen/Bloomberg Economists and Wall Street analysts have been disappointed in China’s economic performance, holding out hope that this might prompt the government into a stimulus effort similar to the one seen in 2008. This, in turn, would reinvigorate domestic growth and restore China as a key engine of global expansion. However, the more likely scenario...