Wal-Mart says CFO to retire By: Reuters: Company News October 09, 2015 at 09:27 AM EDT Oct 9 (Reuters) - Wal-Mart Stores Inc said Chief Financial Officer Charles Holley would retire on Dec. 31, and named Walmart International CFO Brett Biggs as his successor. Read More >> Related Stocks: Wal-Mart Stores, Inc.