Read Walmart CEO Doug McMillon's email to the corporate employee who staged a protest over gun sales

Walmart CEO Doug McMillon responded Wednesday to a petition with more than 129,000 signatures that calls on the company to stop selling guns.

Walmart employees are terrified after the company fired an employee for posting confidential information to Reddit

The Walmart employee's firing has led to an 'explosion' of calls for unionization and some workers are deleting their Reddit posts.