By Qiaoyi Li and Kevin Yao BEIJING (Reuters) -China’s industrial earnings plunged in September, recording the steepest month-to-month decline of the 12 months, official information confirmed on Sunday, as policymakers ramp up stimulus to revitalise financial development. Earnings in September fell 27.1% from a 12 months earlier, following a 17.8% fall in August, whereas earnings […]