Rising Food Prices Could Force the Fed's Hand. Here Is the Chain Reaction Investors Are Not Talking About Enough

By Reuben Gregg Brewer – Apr 7, 2026 at 9:15PM ESTKey PointsThe geopolitical conflict in the Middle East has left energy markets in disarray.Energy is used for transportation, and investors are already feeling the impact of higher pump prices.Those higher costs will flow through the economy, but there's an even more insidious problem that could slam you in the grocery store.It seems like everyone is talking about oil prices. That makes sense, given the geopolitical conflict in the Middle East. However, the conversation about the conflict's impact needs to expand a bit. And you could start seeing the impact in the grocery aisle sooner than you may think, and for longer than you may believe. Here's what you need to be thinking about as an investor when it comes to inflation.

The Federal Reserve is walking a tightrope The Federal Reserve has been holding interest rates steady despite the conflict in the Middle East, which has pushed oil and natural gas prices higher. One big reason is that oil prices are volatile, and an end to the conflict could lead to a sharp reversal in energy costs. If that were to happen, the pressure from rising prices would prove temporary. Image source: Getty Images. A move to address the impact of a temporary energy price surge would likely create more problems than it solves. And yet, the longer the Federal Reserve waits to address inflation caused by higher energy prices, the harder it will be to address. There is no easy answer. Food is the factor that could force the Federal Reserve to act While rising oil and natural gas prices may not be enough to make the Federal Reserve act, it may not have a choice if food inflation takes off again. You are already seeing the first factor that could push food prices higher: transportation costs. Transportation companies across the economy are adding fuel surcharges, and those charges will eventually be passed on to consumers. ExpandNASDAQ: AMZNAmazonToday's Change(0.46%) $0.98Current Price$213.77Key Data PointsMarket Cap$2.3TDay's Range$209.07 - $213.9752wk Range$165.28 - $258.60Volume28MAvg Vol50MGross Margin50.29% For example, online retail giant Amazon (AMZN +0.46%) is charging third-party sellers a 3.5% transportation and logistics fee. It likely won't take long for sellers on Amazon to raise their prices enough to cover their additional costs. And if Amazon is charging third-party sellers that fee, the company's own sales are being impacted, too. Companies from Conagra Brands (CAG 1.84%) to Walmart (WMT 3.53%) are facing the same transportation cost issues. That, however, is an example of the first-order impact of higher energy prices. Natural gas is also used to make the fertilizer that helps support strong crop yields. ExpandNYSE: CAGConagra BrandsToday's Change(-1.84%) $-0.29Current Price$15.49Key Data PointsMarket Cap$7.5BDay's Range$15.48 - $15.9452wk Range$15.04 - $26.34Volume10MAvg Vol15MGross Margin24.25%Dividend Yield8.87% Higher prices for these vital plant nutrients will also ripple through the economy, beginning with higher ingredient costs. There are two potential issues, and both are problematic. First, higher ingredient costs will be passed through to food companies like Conagra and eventually to consumers. However, ingredient supply could also become a problem if farmers decide not to buy as much fertilizer, or if they simply can't buy enough to meet their needs. That would likely result in lower crop yields, a problem that couldn't be addressed until the next growing season. ExpandNASDAQ: WMTWalmartToday's Change(-3.53%) $-4.47Current Price$122.32Key Data PointsMarket Cap$1.0TDay's Range$121.80 - $126.2852wk Range$81.03 - $134.69Volume667KAvg Vol31MGross Margin23.41%Dividend Yield0.75% Conagra is already experiencing margin pressure, with adjusted operating margin down 210 basis points year over year in the fiscal third quarter of 2026. It will likely act quickly to protect its margins, which will force even giant retailers like Walmart to raise prices as they look to protect margins. Walmart's gross margin improved just eight basis points in 2025, so there's not a lot of room to absorb rising product costs. The grocery aisle is a problem the Fed can't ignore Food prices don't change as quickly as gasoline prices, so higher grocery prices could linger. And that would put a greater damper on the economy. If the Federal Reserve comes to believe that the impact of the Middle East's geopolitical conflict is spreading to food, it may have no choice but to act. If you are focused primarily on oil prices right now, you might want to start keeping a closer eye on fertilizer and food.Read NextApr 7, 2026 •By Lyle DalyThe Largest Consumer Staple Companies by Market Cap in April 2026Apr 6, 2026 •By Lyle DalyThe Largest Real Estate Companies by Market Cap in April 2026Apr 6, 2026 •By David Jagielski, CPAThis Controversial Move Could Unlock More Growth for WalmartApr 5, 2026 •By Justin PopeI Was Shocked to See How Much This Fast-Growing Business Is Adding to Walmart's Bottom LineApr 3, 2026 •By Frank BassBest Dollar Store Stocks for 2026 and How to InvestApr 2, 2026 •By Daniel SparksWalmart Stock Is Transforming Into a Growth Stock.

Is It Time to Buy?About the AuthorReuben Gregg Brewer is a contributing Motley Fool stock market analyst covering energy, utilities, REITs, and consumer staples. He is the former director of research at Value Line Publishing, where he rose from mutual fund analyst to equity analyst before leading all research operations. Reuben holds a bachelor’s degree in psychology from SUNY Purchase, a master’s in social work from Columbia University, and an MBA from Regis University. He has been featured as a financial expert on CNBC and in the Financial Times, Barron’s, and InvestmentNews.TMFReubenGBrewerStocks MentionedWalmartNASDAQ: WMT$122.49(-3.39%)-$4.30AmazonNASDAQ: AMZN$213.57(+0.37%)+$0.78Conagra BrandsNYSE: CAG$15.49(-1.84%)-$0.29*Average returns of all recommendations since inception. Cost basis and return based on previous market day close.