Walmart still pays more than Target.
Web search shows the opposite:
https://www.cnbc.com/2017/09/25/what-the-20-largest-retailer...
https://www.bloomberg.com/news/articles/2017-09-25/target-wi...
https://www.cnbc.com/2018/01/11/walmart-to-boost-starting-wa...
Target's marketing division is analogous to Walmart's supply chain division, in terms of level of optimization and sophistication.