Several large retailers likely thought that they were finally clear of legal problems relating to advertising sale prices for products that were not truly on sale.  With a post on September 28, 2016, https://advertisinglaw.foxrothschild.com/?s=class+action, Dennis Hansen discussed these class action lawsuits, several which have settled for millions of dollars.  For example, JC Penny paid

One likely result is that companies will get sued by its competitors. Such a lawsuit will cost money to defend, cause a distraction to the company, and has the potential to embarrass the company with consumers.

Another potential result is more troubling – an enforcement action by the FTC. Such actions, like competitor lawsuits, are