MONTREAL (Reuters) - The Canadian unit of Wal-Mart Stores Inc. closed a store in Quebec on Friday where employees had obtained union certification and were seeking a first labor contract. Kevin Groh, spokesman for Wal-Mart Canada, said the 130,000-square-foot Jonquiere store closed at noon. Its 176 workers will be paid until May 6, the original target date the company had set for closing the outlet. "It's slightly misleading to say it closed a week early," Groh said. Union officials accused Wal-Mart of shutting the store a week earlier than planned to avoid publicity over the controversial closure. Yvon Bellemare, president...