Global oil prices continued their recent climb and the S&P 500 closed lower Monday after a weekend when Iran-backed Houthi militants launched ballistic missiles at Israel and 3,500 additional U.S. troops arrived in the Middle East.

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The conflict between Iran, the U.S. and Israel has entered its second month, with disruptions to oil and other energy and commodities supplies starting to reverberate around the world.

Brent crude oil, the global benchmark, gained 1.5%, to more than $114 a barrel, while U.S. West Texas Intermediate crude climbed almost 5%, to about $104 a barrel, settling above $100 for the first time since 2022.

Rising oil prices are one of the more immediate consequences of the war. Average U.S. gasoline prices hit $3.99 a gallon Monday, according to AAA, the highest since the summer of 2022. Patrick De Haan, chief analyst at Gas Buddy, projected Monday afternoon they would rise to $4 within 24 hours as the average price of gasoline in Florida surged to $4.29.

De Haan estimates that U.S. drivers will soon have spent an additional $10 billion on gasoline since the conflict began just one month ago.

The S&P 500, one of the broadest measures of stocks, fell 0.4% Monday and is now within less than a full percentage point of having declined 10% since its most recent high in January. The tech-focused Nasdaq Composite Index is already in correction territory, down more than 13% from its October high.

Some investors have begun to question President Donald Trump’s ability to reassure financial markets without material progress on the ground.

Investors also increased their purchases of U.S. government bonds Monday over fears of an economic slowdown, sending bond yields lower and dragging down stocks.

Traders now believe higher oil prices may put a damper on overall demand for goods and services.

Bloomberg News reported that U.S. officials and Wall Street analysts have begun considering the prospect that oil prices could surge to as much as $200 a barrel as the largest oil shock in decades continues to reverberate.

That prospect has led analysts to project a global economic slowdown that would hit a U.S. economy already facing suddenly higher gasoline prices.

Earlier Monday, Trump said “great progress has been made” in talks with Iran. At the same time, he threatened to destroy Iran’s civilian energy and water infrastructure if a deal to end the war and reopen the crucial Strait of Hormuz is not reached soon.

Tehran has said U.S. proposals were “unrealistic” and “unreasonable.”

“I think we’ll make a deal with them, pretty sure, but it’s possible we won’t,” Trump told reporters late Sunday. He later said a deal could come “soon.”

Trump also said that Iran “gave us most” of a 15-point plan the U.S. sent Tehran to end the war, which Iran has yet to publicly confirm, and that 20 boatloads of oil — on top of 10 the previous week — will be passing through the Strait of Hormuz beginning Monday “out of a sign of respect.”

Trump separately told the Financial Times on Sunday that an Iran deal could be made “fairly quickly” and that he wants to “take the oil in Iran.”

Surging oil prices continue to ripple through the global economy because of the war with Iran. Now, some analysts say the worst could still be ahead as the conflict drags on.

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The concern is that beyond immediate knock-on effects from rising gasoline prices, the war’s disruption could come in waves — ones that will play out over weeks and months and leave few parts of the global economy untouched.

“We haven’t seen the brunt of it yet,” said Samantha Gross, director of energy security and climate at the Brookings Institute. “I feel like markets are so far underestimating the effect of the war. It seems that they expect this war to go quickly, and they expect that we can go back to the world before when it’s over. And I don’t think either of those ideas is true.”

The warning signs are already here. The global oil price benchmark, Brent crude — which heavily influences U.S. gasoline prices — briefly topped $119 a barrel last week, the highest since the war began and a level last seen in July 2022 amid the pandemic-era inflation wave. As of Monday, Brent prices had settled at about $113 a barrel.

Travelers frustrated by long security lines may not see immediate relief, even as Transportation Security Administration officers begin receiving pay again on Monday after working without wages for more than a month during the partial government shutdown.

President Donald Trump signed an executive order Thursday directing federal officials to ensure that TSA workers are paid despite the shutdown, breaking a more than 40-day stretch in which officers went without salaries.

But the move is unlikely to bring instant relief at airport checkpoints, according to former TSA Administrator John S. Pistole.

“It’s a temporary fix,” he told NBC News.

The more pertinent question, he said, is how many workers actually return to their posts now that paychecks are set to resume Monday.

More than 500 officers have quit during the shutdown, according to the Department of Homeland Security, while thousands more have called out because they can’t afford basic expenses.

TSA callout rates reached a high of 12.35% of the workforce on Friday, accounting for more than 3,560 employees, a DHS spokesperson said Saturday. The department added that at Trump’s direction and under Homeland Security Secretary Markwayne Mullin, TSA has “immediately begun the process of paying its workforce” and that officers “should begin seeing paychecks as early as Monday, March 30.”

Those shortages have forced travelers to contend with missed and canceled flights, long security lines and growing uncertainty around air travel.

If most officers report back beginning Monday and airports are able to restore staffing, wait times could start to ease within several days to a couple of weeks, Pistole said.

“It really depends on that asterisk of how many people show up,” he said.

Some workers who left may already have other jobs lined up, raising questions about whether some will return at all.

“How many of them come back after they get this paycheck? Or maybe they already have another full-time job lined up, they’re just waiting to inform TSA after they get their check on Monday,” Pistole said. “So there are a number of variables there.”

Pistole said the uncertainty, coupled with TSA’s typical annual attrition rate of about 7%, could mean delays will continue even after pay resumes.

Until then, some travelers may want to consider alternatives such as driving, rail or bus.

“I think many will and are looking at those options to say, ‘Is that more reliable? Because the last thing I want to do is get to Bush International Airport in Houston and have a four-hour wait,’” Pistole said.

Colombian officials discovered a body Friday amid the search for a U.S. flight attendant who went missing in the country last weekend.

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Medellin Mayor Federico Gutiérrez announced the discovery in a post on X, saying that “a lifeless body has just been found between the municipality of Jericó and Puente Iglesias,” in the northeast region of the South American country.

The mayor said the body was likely that of Eric Fernando Gutierrez Molina, a 32-year-old American Airlines flight attendant from Texas who vanished while out with colleagues in Medellín, Colombia, during a layover.

“There is a very high probability that it is this person. The lifeless body is being transported to legal medicine in Medellín for identification and recognition,” Gutiérrez wrote on X. “We express our solidarity to his family and friends. I have just personally delivered the painful news to his father, who is in Medellín.”

Gutiérrez also said authorities suspect foul play, adding that officials “have very clear leads on those responsible” and calling for those individuals to be sought through extradition.

The mayor said he informed the U.S. ambassador to Colombia of the discovery. The State Department did not immediately respond to a request for comment, nor did Gutierrez Molina’s family.

In a news briefing, Medellín Security Secretary Manuel Villa said Gutierrez Molina was in Colombia on business and was out in the city of Itagüí with two co-workers that he identified as a man and a woman. Gutierrez Molina and the man then left the first establishment to go to a second location with others, also in Itagüí.

“And from there, once they left, there has been no further information on the whereabouts of Eric,” Villa said. “The woman arrived at the hotel where she was staying. However, she arrived somewhat disoriented.”

Villa said law enforcement have determined through their investigation that Gutierrez Molina and the woman encountered individuals “with a history of committing theft under the influence of scopolamine.”

The investigation remains under investigation and national police are still deployed throughout the area, Villa said.

Gutierrez Molina’s sister, Mayra Gutierrez, said in a phone call earlier this week that her brother had been out with another crew member over the weekend. She said the family last heard from him in the early hours of Sunday and confirmed that he worked for American Airlines.

American Airlines did not immediately respond to a request for comment. In a statement earlier this week, the airline said it is “actively engaged with local law enforcement officials in their investigation and doing all we can to support our team member’s family during this time,” but did not mention Gutierrez Molina by name.

WASHINGTON — House Republicans voted Friday evening to pass a short-term funding bill for the Department of Homeland Security that has no viable path in the Senate and is likely to extend the shutdown stalemate on Capitol Hill.

The vote of 213-203 came after Speaker Mike Johnson, R-La., rejected the Senate-passed bill, which would fund all of DHS except Immigration and Customs Enforcement and Customs and Border Protection. Funding for DHS lapsed in mid-February.

He called the Senate measure “a joke,” placing full blame for it on Democrats, even though Republicans control the Senate and the bill passed by unanimous consent early Friday morning.

“They have taken hostage the funding processes of government so that they can impose their radical agenda on the American people,” Johnson told reporters before the House vote.

His remarks came around the same time President Donald Trump signed an order directing the Department of Homeland Security to pay Transportation Security Administration employees who have missed paychecks during the DHS shutdown, leading to high TSA callout rates that have created long lines for passengers at U.S. airports. The dollar amount and authority for tapping the funds was not immediately clear, but a DHS spokesperson said paychecks should start arriving as early as Monday.

We’d like to hear from you about how you’re experiencing the partial government shutdown, whether you’re a TSA agent who can’t work right now or a federal employee who is feeling the effects at your agency. Please contact us at tips@nbcuni.com or reach out to us here.

The House-passed bill, which would fund DHS through May 22, is not expected to become law. The Senate left town Friday for a two-week recess, and Democratic senators have consistently vowed to block funding for ICE and CBP without constraints on immigration enforcement operations.

Asked if Trump has endorsed his plan, Johnson told reporters on Friday afternoon: “I spoke to the president a few moments ago; he understands exactly what we’re doing and why, and he supports it.”

Senate Majority Leader John Thune, R-S.D., has no plans to bring back the Senate because there is no realistic path to passing the House bill, a GOP aide told NBC News.

The belief among Senate Republican leadership is that it does not make sense to pursue a path other than the bipartisan bill to fund the Department of Homeland Security, minus ICE and CBP, that the Senate passed early Friday morning, according to a senior GOP aide.

The Senate over the past six weeks has attempted to pass numerous measures identical to the one passed by the House on Friday night, and all have failed in the face of Democratic opposition.

Senate Minority Leader Chuck Schumer, D-N.Y., warned that a House bill that funds ICE and CBP without guardrails would go nowhere in the Senate, where it would require 60 votes to advance. Republicans hold a 53-47 majority.

“We’ve been clear from day one: Democrats will fund critical homeland security functions — but we will not give a blank check to Trump’s lawless and deadly immigration militia without reforms,” Schumer said, adding that the House GOP’s short-term funding bill would be “dead on arrival in the Senate, and Republicans know it.”

House Minority Leader Hakeem Jeffries, D-N.Y., sided with Schumer in favor of the Senate-passed bill.

“We have this bipartisan bill sent over by the Senate that House Democrats are prepared to support,” he told reporters Friday. “If that bill is brought to the floor today it will pass. The Trump-Republican DHS shutdown will be over. Unfortunately, MAGA extremists in the House of Representatives continue to inflict pain on the American people.”

Johnson put forward the short-term funding bill after a bloc of House conservatives expressed outrage over the Senate-passed measure and vowed to vote against it, complicating any move toward swift passage in the House.

Rep. Ralph Norman, R-S.C., called the Senate bill “irresponsible” and added that voter identification provisions and parts of ICE funding must be included.

“Those two things will have to be in,” he said.

Rep. Susie Lee, D-Nev., said Democrats won’t support a bill to fund ICE without constraints after immigration enforcement agents killed two Americans in Minneapolis.

“I think we made it very clear, and the American public is demanding some sort of guardrails on an agency that has basically terrorized communities across this country, resulted in the death of two American citizens,” she said. “We have shone a light on just how rogue ICE was acting.”

Leaving the Capitol on Friday, Johnson told NBC News that he gave Thune a heads up before deciding to reject the Senate-passed measure and its omission of funding for ICE and CBP.

“We talked today, and I told him it shouldn’t be a surprise to anybody we would not be able to do that,” Johnson said. “We’re not going to split apart two of the most important agencies in the government and leave them hanging like that. We just couldn’t do it.”

Todd and Janet Gatewood launched their Nashville-based radio show “God, Freedom and Bitcoin” in January, blending their passion for cryptocurrency with their strong faith.

Then the market crashed. At roughly $69,000 on Thursday, the price of the cryptocurrency is down by 45%, struggling to recover and nowhere near the $126,000 high it reached in October.

But the couple sees the slide as a blessing.

Janet, a real estate agent in the Nashville, Tennessee, area, told her husband and a guest appearing on a Feb. 9 show that she hoped to close on more houses, so she could buy bitcoin at a lower price.

“This is what we call ‘on sale,’” she said. “Buy the dip. If you’ve ever heard anything in the bitcoin space, this is when you want to buy.”

The Gatewoods are among a diverse group of Christian financial influencers, entrepreneurs and even pastors working to pitch the faithful on digital currencies. Their positions vary — some are bitcoin hard-liners. Others dabble in meme coins — crypto assets that are quickly spun up and traded around memes and cultural moments.

During this time of volatility, some of the Christian investors who are following them are doubling down.

“It’s not fazing me at all,” said Alicia Tappin, 55, who has purchased bitcoin during the dip. “I’m not emotionally tied to it right now — if I was I would be a wreck.”

Tappin said she follows updates from a Christian businesswoman named Michelle Renee, whose firm charges $499 a year for a VIP membership that provides access to webinars, its “cryptocurrency watchlist” and a Telegram chat.