Walmart announced the completion of its $2.3 billion all-cash acquisition of TV maker Vizio, a move by the retailing giant to expand its advertising business. The closing of the deal follows the expiration of the waiting period under federal regulations. Walmart announced the deal to buy Vizio in February 2024. Walmart said the acquisition of Vizio will let it “bring to market new and differentiated ways for advertisers to meaningfully connect with customers at scale and boost product discovery”...