Walmart Stores will reportedly promote several executives from its recently acquired Jet.com e-commerce business, as it continues a push to bolster its e-commerce offerings and compete with Amazon.com . According to an internal memo first obtained by Bloomberg, Walmart’s e-commerce CEO, Jet’s Marc Lore , announced that Jet’s chief revenue officer, Scott Hilton, will become the chief revenue officer for all of Walmart’s e-commerce operations.