Round and round and round it goes, where it stops, nobody knows.

That expression about sums up the clearest indication Walmart has when it comes to guessing how much its worldwide corruption investigation will cost related to violations of the Foreign Corrupt Practices Act.

Jaclyn Jaeger is a freelance contributor to Compliance Week after working for the company for 15 years. She writes on a wide variety of topics, including ethics and compliance, risk management, legal,...