"Competition in AI video generation models is at an earlier stage, and some Chinese companies have emerged as early leaders in this space," said Wei Xiong, China internet analyst at UBS Securities.

With more than 4.5 billion downloads, TikTok has become hugely successful—and controversial Deborah D'Souza is the former news editor at Investopedia. She also writes articles that bring together ...

SINGAPORE—The company behind TikTok has developed an artificial-intelligence model that can turn a single text prompt into a high-quality video with a story line, scene changes and distinctive ...