These are the stocks posting the largest moves before the bell.Market Insiderread more
An oil processing facility at Abqaiq and the nearby Khurais oil field was attacked on Saturday.Marketsread more
"There is reason to believe that we know the culprit," Trump said in a post on Twitter.Politicsread more
An extended Saudi oil outage could push Brent crude prices north of $75 per barrel, Goldman Sachs warned clients.Marketsread more
As investors worry about oil supply, airline and cruise ship stocks are getting hit on Monday, while some energy stocks are shooting upward.Marketsread more
The trucking industry is worth hundreds of billions of dollars per year. Uber is going after this market with Uber Freight, an online platform that matches truckers with...Technologyread more
Brent crude surged by as much as 19.5% to reach $71.95 per barrel on Monday, the biggest intra-day jump since the Gulf War in 1991.Oilread more
U.S. stock futures are under pressure Monday as oil prices spike higher after Saturday's coordinated strikes on key Saudi oil interests.Marketsread more
In the past few weeks, the S&P 500 has waged a 6% rally, pulling within 1% of its late-July record high by Friday's close.Trading Nationread more
The strike, depending on its length, could easily cost GM hundreds of millions of dollars. The last time the union declared a strike at GM was in 2007.Autosread more
Saudi Aramco has 35-40 days of supply to meet contractual obligations, a source close to the matter told CNBC.Energyread more
The federal government shutdown is already affecting contractors and threatens to dampen private-sector employment, at least in the near-term, industry officials say.
Twenty-nine percent of contractors say a shutdown would cause them to delay planned hiring, and 58% said it would have a negative effect on their businesses, according to a survey of 925 contractors this week by the National Association of Government Contractors.
One Federal Solution, which provides information technology, health care and training services to various government agencies has furloughed 107 of its 115 employees because federal officials said they're non-essential, says CEO Abdul Baytops.
"We're concerned about employees losing faith" in the company "even though we have no control over it," Abdul says.
(Read more: ADP jobs report suddenly got a lot more important)
Advanced Systems Development, an information technology contractor, already has furloughed an employee who sets up computer networks for the Environmental Protection Agency because federal workers weren't available to approve new funding for the project, says company Chief Financial Officer Mary Lou Patel.
Daniel Stohr, spokesman for the Aerospace Industries Association, which represents defense contractors, says, "We've already seen meetings (between contractors and Defense Department officials) that have been canceled."
Such cancellations could delay work on ongoing projects, such as new weapons systems or information-technology maintenance, Stohr says. Defense contract workers also could be temporarily laid off because the federal employees who supervise them are on furlough or managers aren't available to move ahead with new equipment purchases, according to the aerospace group.
Read more from USA Today:
Besides the Washington, D.C., metro area, states with high concentrations of both federal and contract workers include Hawaii, Arkansas, New Mexico, Oklahoma and Georgia, according to Moody's Analytics.
If the shutdown lasts a week or longer, as many as 250,000 to 300,000 contract workers could be affected in some way, says Fernando Galaviz, chairman of the National Federal Contractors Association. "A week would be like a bad headache," he says. "If it's more than two weeks, they can expect a lot of negative impact."
Galaviz says his members are mostly small businesses that handle tasks such as computer network administration, facilities management and research. "If we have 20 people on a network help desk, (a federal department) may reduce that to 12," he says.
Construction companies that build courthouses, dredge rivers and renovate U.S. park facilities also would be hurt, according to Associated General Contractors, a trade group. Projects could be delayed because government supervisors aren't on job sites to answer critical questions or approve changes, says AGC spokesman Brian Turmail.
Several thousand construction workers could be affected if the shutdown lasts at least a week, he says.
Although most contract workers would be sidelined temporarily, the disruption comes at a pivotal period, with monthly job growth slowing to a pace of 148,000 the past three months from 224,000 the previous three months.
Concerns about a government shutdown have largely focused on the 710,000 to 770,000 non-essential federal workers who are being furloughed, according to estimates by JPMorgan and IHS Global Insight. Each week the government is partially closed would shave 0.12% to 0.16% off annualized economic growth in the fourth quarter, the firms project. But those estimates are based on the lost wages or output of federal employees.
A Moody's study that also examines the impact on contract workers and ripple effects across the economy estimates that a shutdown of even a few days would trim fourth-quarter growth by two-tenths of a percent.
—By Paul Davidson of USA Today