Wal-Mart: Costco can't sway Chinese moms By: CNBC.com News November 09, 2014 at 23:04 PM EST Wal-Mart doesn't expect its growth in China will be hampered by its U.S. rival Costco's push into the mainland market via e-commerce. Read More >> Related Stocks: Alibaba Group Holding Ltd Costco Wholesale Wal-Mart Stores, Inc.