While Americans nervously monitor the approach of Hurricane Florence, which could affect more than 5 million people, there's a more dangerous cyclone looming on the other side of the planet. Super Typhoon Mangkhut is headed for Taiwan, the Philippines and China with winds much stronger than its Atlantic cousin. And it threatens 10 times as many people. —David E. Rovella

Here are today's top stories

President Donald Trump's unpopularity is unprecedented given the strength of the U.S. economy—a growth spurt that began under President Barack Obama and, according to Michael R. Strain in Bloomberg Opinion, might just continue.

Racing down the street, worried you'll be late for that interview, meeting or date? Thanks to Apple's new watch, you'll now be able to gauge both time and heart palpitations. 

Could this be the big one? Cryptocurrencies are collapsing, having surpassed Nasdaq’s 78 percent decline after the dot-com bubble burst in 2000.

When "animal spirits" turn tail and run. JPMorgan CEO Jamie Dimon said this morning he “could beat Trump” and that he's "smarter" than the president. By noon, he took it back. 

They were the hedge fund giants who were right about 2008. A decade later, their stars have faded, Bloomberg Businessweek reports.

She was one of China's biggest movie stars, with 63 million social media followers and roles in Hollywood blockbusters. Then a government tax evasion probe began, and she vanished.

What's Joe Weisenthal thinking about? The Bloomberg news director is mulling whether the curious belief among Americans that raises will come despite a persistent lack of wage growth is because they think their jobs are secure.

What you'll need to know tomorrow

• Asian stocks are caught in their longest selloff in 16 years.
• The IPO for this would-be Chinese Tesla didn't go as planned.
• President Recep Tayyip Erdogan named himself head of Turkey's sovereign wealth fund.
• A biohacker is making do-it-yourself mutant frogs. Yes, this is a thing.
• The lack of legroom on your next flight might help save the planet.
• AT&T and Verizon are fighting over 5G.
• The Americans who play the lottery the most are those who can least afford it.

What you'll want to read tonight

Porsche Is Targeting Uber-Loving Millennials With Luxury Sharing

Porsche is widening its experiment with car ownership, adding programs that target younger Americans for whom the concept of possessing an automobile is fluid at best. Consumers can spend four hours bombing around in a Macan, 718 Cayman or Boxster for as little as $269. Throw down $2,909, and you can have a 911 for a week. A concierge service that delivers the car within two hours is included, of course.

Did you know? You can benefit from more than just unlimited content on Bloomberg.com when you become and All Access subscriber. Attend Bloomberg Live events, get two in-depth daily newsletters, The Bloomberg Open and The Bloomberg Close, and so much more. See my options.

Join the smartest minds in tech & investing: Come to Bloomberg's Sooner Than You Think, a special event on Oct. 16 at The William Vale in NYC. Learn how artificial intelligence, cryptocurrency, and blockchain are reshaping how we spend, save, and invest. Register now and get $400 off the ticket price with registration code NEWS.

Download the Bloomberg app: It's available for iOS and Android.