10 things you need to know before the opening bell

YouTube followed Apple's lead and removed the Alex Jones and Infowars channels from its platform. Jones has seen his videos, web pages, and podcasts removed from Facebook, Spotify, and iTunes in addition to the Google-owned video site.

Rick Gates testified that he committed crimes with Paul Manafort and embezzled money from him. Gates testified that he knowingly violated federal tax law by not disclosing 15 foreign bank accounts owned by him and Manafort to US authorities.

Zillow cratered 19% after revenue guidance missed expectations. The online real estate database said it sees Q3 revenue coming in between $337 million and $347 million. Analysts had estimated $408.4 million, according to Bloomberg.

Warren Buffett is sitting on a record-breaking amount of cash - and it should have investors very worried. The Berkshire Hathaway CEO had $111 billion of cash on his firm's balance sheet at the end of last quarter, and his lack of spending activity shows he thinks the market is broadly overvalued.

A $300 billion asset manager says investors are overlooking a huge threat that's building right in front of their eyes. He's worried about the historically large debt burdens being held by both governments and corporations.

The British pound dropped against the dollar. The fall came after Bank of England Governor Mark Carney said there was an "uncomfortably high" chance that Britain will leave the EU without a deal.

Stock markets around the world trade mixed. Japan's Nikkei index (+0.7%) climbed in Asia, and Germany's DAX (+0.88%) leads Europe higher. The S&P 500 is set to open up 0.2% near 2,856.

Earnings reporting continues. Snap and Disney are among the names reporting after the closing bell.

US economic data keeps coming out. JOLTS job openings are out at 10 a.m. ET. The US 10-year yield is down 2 basis point at 2.94%.