U.S. SEC probes Alibaba accounting methods, shares dive

(Reuters) - U.S. regulators are investigating Alibaba Group Holding Ltd's accounting practices to determine whether they violated federal laws, the Chinese e-commerce company said, news that sent its shares down nearly 7 percent on Wednesday. Alibaba, a massive business selling to a growing middle class in the world's most populous country, said it was being investigated by the Securities and Exchange Commission. The SEC focused on the accounting for logistics firm Cainiao Network, which Alibaba