TikTok Plans Big Shopping Push

TikTok’s U.S. business may be about to take off.

The scheduled completion this week of TikTok’s sale of its U.S. data security arm to a joint venture ends years of uncertainty about its future in the U.S. And the video app maker is now redoubling its efforts to build a much bigger e-commerce business in the U.S., in a new challenge to Amazon.