Walmart has completed its $2.3 billion purchase of smart television maker Vizio.The deal, aimed at bolstering the company’s retail media offerings, closed after a federally required waiting period expired, the retail giant announced Tuesday (Dec. 3).“The acquisition of Vizio and its SmartCast Operating System allows Walmart to serve its customers in new ways to enhance their shopping journeys,” Walmart said in a news release. “It will also bring to market new and differentiated ways for advertisers to meani ...