> Wal-Mart’s prices were matched and even undercut by the Aldi and Lidl food chains, which also were ordered to cease selling below cost or face fines of about $445,000 for each product sold in violation of the order.
They probably still would have lost, our supermarket system is very cut-throat ;)
There are places where selling certain product types below cost isn't OK, Wal-Mart got into trouble for this in Germany:
https://www.latimes.com/archives/la-xpm-2000-sep-09-fi-18061...