Walmart Buys Ad Tech to Chase Small-Business Advertisers

Walmart will acquire technology from Thunder Industries, a company that uses automation to create digital ads, as it continues to invest in its ad business and seeks a greater slice of marketing budgets from small businesses.Walmart will acquire technology from Thunder Industries, a company that uses automation to create digital ads, as it continues to invest in its ad business and seeks a greater slice of marketing budgets from small businesses.Read MorePAIDWSJ.com: US Business