SINGAPORE/SEOUL—China’s economic setbacks have darkened the outlook for countries in its orbit, from South Korea to Thailand, as a sharp factory slowdown and trade bottlenecks in the world’s second-largest economy hit Asia on the supply as well as demand sides.
China’s gross domestic product faltered in the third quarter, data showed this week, with growth hitting its weakest in a year, hurt by power shortages, supply chain snags, and a property market crisis.
