SUNING Appliance Co, China's second-largest electronics retailer, said profit growth in the first nine months of the year exceeded its estimates, with earnings more than doubling. The company's January-to-September net profit rose 110 percent from a year earlier, more than the estimate of a 70- percent to 100 percent gain, Suning said on Saturday in a statement to the Shenzhen Stock Exchange. Suning's net profit in the nine months to September last year was 458.7 million yuan (US$60.7 million).