Microsoft and Walmart look to boost ads, e-commerce with TikTok deal

As Microsoft and Walmart work together on a deal to buy TikTok’s U.S. business from China’s ByteDance, the giants each see fresh opportunities to expand into long-coveted markets — advertising in Microsoft’s case and e-commerce for Walmart. But both companies have decidedly mixed track records in these realms.

By the numbers: Walmart currently makes less than 8% of its total revenue on e-commerce, despite pricey forays into the industry, like its $3.3 billion acquisition of the now-defunct…