Wuhan, the Chinese city at the center of a widening respiratory-virus outbreak, suspended outbound flights and rail service as China ramps up efforts to contain an illness that’s killed at least 17 people and infected hundreds. Citizens shouldn’t leave the city without special reasons, according to a report by state broadcaster CCTV. —Josh Petri

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Here are today’s top stories

The U.S. Senate impeachment trial of President Donald Trump entered its second day as Democratic House managers began presenting their case on why the Republican should be removed from office.

United Nations experts accused the Saudi Crown Prince Mohammed bin Salman of possible involvement in hacking Amazon founder Jeff Bezos’s phone in an effort to “influence, if not silence” reporting on Saudi Arabia by his newspaper, the Washington Post.

The Pentagon made $35 trillion in accounting adjustments last year alone. That’s larger than the entire U.S. economy, and underscores the Defense Department’s continuing difficulty in balancing its books.

Boris Johnson’s Brexit deal cleared its final hurdles in Parliament, possibly bringing to a close the crisis that’s paralyzed British politics since the U.K. voted to leave the European Union almost four years ago.

Apple suppliers plan to begin assembling a new low-cost iPhone in February as the company looks to address a broader swath of the global smartphone market.

These billionaires made their fortunes trying to stop climate change. While they’re among the first to profit from climate solutions, they won’t be the last.

What’s Joe Weisenthal thinking about? The Bloomberg news director says he understands what makes Tesla’s story so captivating: It’s the world’s most visible highwire act. There’s Elon Musk, up there on a tightrope for all the world to see. Even if you’re not invested in the outcome, you can’t look away. You want to see whether he’ll make it. At the moment, he seems to be doing just fine: Tesla just surged past $100 billion in market value.

What you’ll need to know tomorrow

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What you’ll want to read tonight in Businessweek

The Tesla Skeptics Who Bet Against Elon Musk

These shorts consider Elon Musk to be “the Jar Jar Binks of technology” despite Tesla’s $100 billion market cap. An informal yet obsessive global fraternity, these accountants, lawyers, hedge fund managers and former Tesla employees just love trolling. For a few years, they’ve been posting sick burns and negative indicators in equal measure with a $TSLAQ hashtag. They research executive departures, lawsuits, customer complaints, and accidents, adding the occasional allegation of financial chicanery. Meet the Tesla skeptics.

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