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The stocks making the biggest moves in premarket trading include Levi Strauss, Alphabet, Boeing, AT&T, and more.

Southwest Airlines is asking unions for concessions to help lower costs and avoid furloughs through 2021.

The House Judiciary antitrust subcommittee determined Facebook wields monopoly powers in social network and has maintained its position by acquiring, copying or killing its competitors, according to a report released by the subcommittee on Tuesday. 

Republicans have voiced objections to some of the bolder proposals in the report, such as imposing structural separations.

The House Judiciary subcommittee on antitrust said in a Tuesday report that Amazon's retail dominance gives it monopoly power over third-party sellers.

Dr. Deborah Birx, the White House coronavirus task force coordinator, emphasized that the data is "really critical" to guide the U.S. response to the pandemic.

TikTok has surpassed Instagram as teenagers' second favorite social media app, according to a report published Tuesday. 

"It's going to be a much slower recovery and it's disappointing that we didn't get a package done," Mester told CNBC.

The divergence leaves an opening for the powerful tech companies to oppose legislation that could install greater regulatory burdens.

Space transportation company Momentus is in final talks to go public through Stable Road Capital's SPAC, a person familiar told CNBC.

"I do think this time we'll learn and we'll have innovations so the next time this happens, we'll do better, but we're still dealing with the mistakes of February and March," Bill Gates said of the U.S. coronavirus response.

Last week, Coast Guard Vice Commandant Adm. Charles Ray participated in meetings at the Pentagon, some of which included members of the Joint Chiefs of Staff, the nation's top military leaders.

The change to Apple's identifier for advertisers, or IDFA, will give iPhone users the option to block tracking when opening an app. Facebook calls it a threat to the ad-supported business model that's helped the internet grow.

The president's tweet came less than 24 hours after he was discharged from the hospital for Covid-19 treatment.

Google, Oracle and Ford are at the Supreme Court in disputes expected to have broad impacts on American businesses and consumers. 

"We remove incorrect information about the severity of Covid-19, and have now removed this post," a Facebook spokesperson said in a statement to CNBC.

The subcommittee is seeking documents and information from the FDA and CDC on agency actions, drafts submitted to the White House and changes made during the review process. 

Powell called Tuesday for continued aggressive fiscal and monetary stimulus for an economic recovery that he said still has "a long way to go."

Apple announced the new Apple Watch Series 6, iPad Air and 8th-generation iPad during an event in September, but the iPhone was absent.

In a poll of top-rated advisory firms, there is a near-even split on the election outcome and the market's reaction. However, most see volatility as opportunity.