10 things you need to know before the opening bell

Here is what you need to know.

Alibaba's Jack Ma says he'll step down as chairman in September 2019. In accordance with succession plans previously announced by the company, will be succeeded by Daniel Zhang, the current CEO.

Volvo has postponed its planned initial public offering. The decision comes amid uncertainty surrounding President Donald Trump's trade war, as Chinese auto giant Geely owns Volvo.

CBS CEO Les Moonves has officially left the company. A new report from The New Yorker on Sunday detailed accusations of sexual harassment and assault from six additional women against Moonves.

Snap's chief strategy officer, Imran Khan, is leaving after three years with the company. His final day on the job has not been set, and he will help "assist with an effective transition of his duties and responsibilities," Snap said.

A large hurricane is barreling down on the East Coast. It is expected to hit the Carolinas on Thursday morning and move further inland. The National Hurricane Center warned that it would likely bring devastating storms and floods to those regions.

The world's biggest stock bear warns of a recent shift that signals the next big crash is near. John Hussman, a former economics professor who's now the president of the Hussman Investment Trust, provides the latest update to his long-running bear thesis.

Investors betting against JD.com made $153 million after the company's CEO was accused of sexual misconduct. Shares fell 14% last week after Liu Qiangdong was detained in the US over Labor Day weekend.

Brexit stockpiling could make a mini recession next year 'almost inevitable' for the UK. This will cause a short-term boost to UK GDP growth, but that will be reversed after Brexit as businesses rundown their inventories.

Stock markets around the world trade mixed. The Shanghai Composite (-1.2%) declined in Asia, while Germany's DAX (+0.4%) led gains across Europe. The S&P 500 is set to open up 0.4% near 2,834.