The advertising industry's policing body has recommended that Wal-Mart stop saying it can save consumers $700 a year after San Antonio-based H-E-B Grocery Co. challenged the world's largest retailer's commercials.

The advertising industry's policing body has recommended that Wal-Mart stop saying it can save consumers $700 a year after San Antonio-based H-E-B Grocery Co. challenged the world's largest retailer's commercials.