Annual growth in China’s exports and imports slowed in October, data showed on Saturday, reinforcing signs of fragility in the world’s second-largest economy that could prompt policymakers to roll out more stimulus measures. A decline in China’s leading index on exports in October pointed to weaker export growth in the next two to three months, the administration said. Annual growth slowed to 7.3 percent in the third quarter – the weakest since the height of the global financial crisis – as a cooling property sector weighs on domestic demand.