While economists and investors fret over China's low consumer confidence and sluggish growth, Yum China CEO Joey Wat says the Chinese consumer is growing more rational — and has been for years. Weighed down by investors' concern about the broader Chinese economy, shares of Yum China have fallen 27% over the past year, dragging its market value down to $17.51 billion. For comparison, Licensor Yum Brands, which spun off the Chinese unit in 2016 and has a global footprint, has seen its own stock rise 8%, givin ...