After allegations that Wal-Mart officials in Mexico bribed the government in order to speed up construction and other processes, the company says that it will probably have some sort of loss. The company is currently being investigated, both by itself and various government agencies. The company has also come under fire from shareholders and others for its labor practices.
See "Wal-Mart says it is likely it will incur a loss from ongoing bribery probes", The Associated Press, The Washington Post, March 26, 2013