Big winners after Toys R Us' death are still Walmart and Target, but also Costco By: CNBC.com News September 13, 2018 at 13:26 PM EDT Without Toys R Us, there's plenty of share of the U.S. toy market now up for grabs. Read More >> Related Stocks: Costco Wholesale Dollar General Dollar Tree J C Penney Company Inc Kohl's Corp Target Corp Wal-Mart Stores, Inc.