TikTok to ‘Go Dark’ on Sunday for Its 170 Million American Users

The Chinese-owned company said it would cut off its services unless the U.S. assures Apple, Google and other companies that they would not be punished for hosting and distributing TikTok.

Trump’s Plans to Scrap Climate Policies Has Unnerved Green Energy Investors

President-elect Donald J. Trump is expected to roll back many of the rules and subsidies that have attracted billions of dollars from the private sector to renewable energy and electric vehicles.

Why Mergers of Carmakers Like Honda and Nissan Often Falter

The Japanese companies are considering joining forces to survive in a rapidly changing auto industry, but auto history is filled with troubled and failed marriages.

The Economy Is Finally Stable. Will That Change With Trump?

President-elect Donald J. Trump’s proposals on tariffs, immigration, taxes and deregulation may have far-reaching and contradictory effects, adding uncertainty to forecasts.

How Student Phones and Social Media Are Fueling Fights in Schools

Cafeteria melees. Students kicked in the head. Injured educators. Technology is stoking cycles of violence in schools across the United States.

Trump Plans Tariffs on Canada, China and Mexico That Could Cripple Trade

The president-elect said that he would impose the across-the-board tariffs on Day 1 and that they would stay in place until Canada, Mexico and China halted the flow of drugs and migrants.

How Trump Could Upend Electric Car Sales

Fewer people will be able to afford electric cars and trucks if President-elect Donald J. Trump and Republicans in Congress eliminate a $7,500 federal tax credit.

Trump’s Trade Agenda Could Benefit Friends and Punish Rivals

Donald Trump has a record of pardoning favored companies from tariffs. Companies are once again lining up to try to influence him.