Annual growth in retail sales and industrial production both slowed in July when compared with June, according to figures published Friday, an early sign that the second six months of the year are set to prove tougher for China's economy than a solid first half. Industrial production in China rose 5.7% from a year earlier at the start of the third quarter, down from June's 6.8% increase, the National Bureau of Statistics said. Photo: AFP/Getty Images TOKYO—Fresh data on China's economy pointed to a broad-ba ...