US Business

The Trump administration will begin restricting downloads and use of popular Chinese-owned apps TikTok and WeChat late Sunday, in a move U.S. officials said arose from national security concerns but which drew objections for impinging on free-speech rights.

A California federal judge will hear arguments Friday as part of an emergency push to delay enforcement of President Trump’s order placing restrictions on the app WeChat.

Many Chinese-Americans and U.S. businesses with a largely Chinese clientele say they rely on WeChat as their primary tool for keeping in touch with people in China and in Chinese communities throughout the world.

The CEO streamlined a company that for decades reigned as the world’s largest auto maker. Now, she is readying for the next big bet: electric cars.

Japan’s SoftBank continued a remarkable string of asset sales, saying it is selling U.S.-based wireless-services unit Brightstar to a private-equity firm founded by a former Brightstar executive.

Backers of plans for Oracle to join with TikTok to create a new U.S. company for the video-sharing app are working on a new ownership structure aimed at alleviating U.S. concerns over Chinese control.

With Snowflake’s supercharged IPO this week, Chief Executive Frank Slootman has achieved a rare investment trifecta: delivering three of the hottest tech public stock offerings of their time.

Facebook is moving to curb internal debate around divisive political and social topics, Chief Executive Mark Zuckerberg said, after a spate of disputes and criticism that has fueled discord among staffers.

A large, pivotal study of Moderna’s Covid-19 vaccine could yield a preliminary answer about whether the shot works safely as early as October, though it’s more likely to be November, the company’s leader said.

Trump administration officials are looking to give American investors a majority share of the company that will take over the Chinese-owned video sharing app TikTok, according to people familiar with the matter.