Walmart Is Now Competing With

Walmart (WMT 0.63%) has been on the offensive lately. It excited investors last week with the announcement of a 3-for-1 stock split, and it captured attention again this week with reports that it might acquire smart TV maker Vizio. But it's probably not looking to compete with the likes of industry leader Roku (ROKU -23.81%). This move is more about gaining the upper hand, or at least a competing hand, in its battle for consumer spending with perennial rival Amazon.The pressure is building on WalmartWalmart ...