The national average for gas prices now stands at $3.99 after rising more than a dollar per gallon over the last month. NBC’s Brian Cheung joins TODAY ways to save, including reducing vehicle weight, buying plane tickets early and more.

All three major stock indexes are down 7% since the war in Iran began five weeks ago and what started off as a short-term geopolitical flare up could turn into a longer-term slide. NBC’s business correspondent Brian Cheung reports for TODAY on the war’s impact on oil and gas prices, as well as mortgage rates as the Federal Reserve weighs an interest rate hike.

President Donald Trump said Sunday that he would like to “take the oil in Iran” and is considering seizing the export hub of Kharg Island, which is responsible for more than 90% of Iran’s oil exports

Global oil prices jumped overnight and U.S. stock indexes gained after a weekend that saw Iran-backed Houthi militants launch ballistic missiles at Israel.

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

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

The conflict in Iran is causing major market jitters with 401Ks plummeting and the prices for gas and groceries going up. On Friday, the Dow, NASDAQ and S&P 500 all closed sharply lower with the Dow dropping nearly 800 points, putting it into correction territory. NBC’s Brian Cheung joins Saturday TODAY to break down how the war is impacting the economy and the fears of a recession.

With the rise of cryptocurrency, a Christian subculture around digital currency has emerged, with some pastors pitching bitcoin as biblically sound.

President Donald Trump is used to bending financial markets to his will

Speaker Mike Johnson, R-La., told House Republicans on a conference call that he plans to hold a vote on a bill to fund all of the Department of Homeland Security for 60 days, according to a source on the call.