Recap: Walmart Shareholders Meeting 2015
Walmart touts investment in people, technology as advantages (Update)
The Waltons need to learn how to be team players — on and off the field
Waltons cement grip on Wal-Mart with new chairman
Walmart, Lagging in Online Sales, Is Strengthening E-Commerce - The New York Times
Greg Penner named chairman of Walmart - MMR: Mass Market Retailers
Greg Penner Appointed Vice Chairman of Walmart's Board of Directors
Here's the net worth of each person in the group that bought the Denver Broncos for $4.65 BILLION
Broncos sale to Walton group unanimously OKed by NFL owners – KTSM 9 News
Wal-Mart picks new chairman at annual meeting - Taipei Times