Streaming losses, layoffs and share-price pressures were already leading to an industry retrenchment. Then the writers’ strike hit.

Nokian Tyres of Finland made 80 percent of its tires in Russia, where energy was cheap. After losing billions, it prioritized political security over business efficiency.

Companies that have rejected hierarchies have typically lacked diversity and, in at least one case, faced scandal. A new crop of them is aiming to find a middle ground.

Rates are still rising. The economy will be held back by the need to shore up highly indebted companies.

At Vanguard, one-fifth of taxable brokerage account investors aged 85 or older have nearly all their money in stocks.

The new threat comes as Elon Musk’s company offered further explanation for its controversial cap on how many tweets users can see.

He led scientific advances at I.B.M. and within the federal government during a career that spanned the space race and the dawn of the internet.

The order came in a lawsuit filed by the attorneys general of Missouri and Louisiana, who claim the administration is trying to silence its critics.

Beijing’s decision to curb exports of rare minerals alarms South Korea and Japan.

Dozens of lawmakers are seeking to loosen a law that limits long-distance flights to and from Ronald Reagan Washington National Airport. For some of them, success could mean a shorter commute.