Alibaba's Ma cancels speech after row with anti-counterfeiting group

By John Ruwitch SHANGHAI (Reuters) - Alibaba Group Holding Ltd's chief Jack Ma has canceled a planned speech at an anti-counterfeiting conference in the United States after the trade group behind it suspended the e-commerce giant's recently gained membership. Alibaba has been dogged for years by accusations that its online shopping platforms were conduits for counterfeiters and critics say it has not done nearly enough to stop the problem. At least three members of the Washington-based Internati