Inflation is squeezing real wages, lifting business costs and putting very different pressures on different parts of the stock market. Some companies are wrestling with weaker spending power and rising input bills, while others are more closely tied to areas that can benefit when prices stay elevated. This article walks through three stocks exposed to the latest inflation shock, highlighting how falling real incomes, higher core inflation and rising producer prices may filter through to their earnings stories. One stock sits on the potential beneficiary side, while two others face clearer headwinds from these inflation trends.

McDonald's (MCD)

Overview: McDonald's is a global fast-food company that owns, operates and franchises thousands of restaurants, serving burgers, chicken, fries, drinks and breakfast items in the U.S. and many international markets. Most locations are run by franchisees, with McDonald's providing the brand, menu, marketing and operating systems.

Operations: McDonald's generates about US$10.9b in revenue from the U.S., US$14.0b from International Operated Markets and US$2.5b from International Developmental Licensed Markets & Corporate.

Market Cap: US$203.3b

McDonald's appears to be a reliable consumer staple on the surface, but the current inflation shock highlights several fault lines that investors may want to consider. Real wages are falling, core inflation is elevated and producer prices are high, which aligns with management commentary about low and middle income customers cutting visits, trading down or eating at home more often. At the same time, beef and labor cost inflation, a high level of debt and significant technology spending leave less room for error if traffic continues to soften. The stock also trades above one internal fair value estimate, so investors are paying a premium while some analysts note slowing growth, margin pressure and insider selling, with a portion of the optimism tied to long-dated digital and international expansion plans.

McDonald's inflation story may look simple, but high input costs, pressured guests and a premium share price could be masking deeper pressure on the business model, which shows up clearly in the 3 key rewards and 2 important warning signs

Marathon Petroleum (MPC)

Overview: Marathon Petroleum is a large US fuel refiner and marketer that turns crude oil and renewable feedstocks into gasoline, diesel, jet fuel, asphalt, propane and petrochemicals, and then sells these products through wholesale channels, branded fuel stations and long term supply contracts.

Operations: Marathon Petroleum generates about US$127.2b in revenue from Refining & Marketing, US$11.4b from Midstream, US$2.8b from Renewable Diesel and a small segment adjustment, with some intersegment revenues removed in consolidation.

Market Cap: US$73.2b

Marathon Petroleum stands out in an inflation shock where fuel prices stay elevated, as higher refined product prices can support revenue while cost controls help offset wage and supply chain pressures management has highlighted. Earnings have grown much faster than the wider Oil & Gas sector, profitability has improved and analysts still see room for earnings per share to build over time, helped by large buyback programs and midstream cash flows. At the same time, high leverage, exposure to petroleum demand and relatively modest revenue growth expectations keep risk firmly on the table, particularly if refining margins weaken or policy pressure on fossil fuels intensifies.

Marathon Petroleum’s mix of higher refined product prices, big buybacks and steady midstream cash flows hints at an earnings story many investors may be underestimating, so it is worth reading the 3 key rewards and 1 important warning sign for the full picture that could change how you see the stock

Kroger (KR)

Overview: Kroger is a large U.S. food and drug retailer that runs supermarkets, multi-department and marketplace stores, price-focused warehouse formats and fuel centers, selling groceries, pharmacy services, general merchandise and its own branded products in store and online.

Operations: Kroger generates about US$147.6b of revenue from its Retail Operations segment, all from the United States.

Market Cap: US$39.2b

Kroger sits right in the crosshairs of the latest inflation shock, with real wages falling and food prices rising, which can push budget conscious shoppers to trade down, hunt for promotions or trim baskets, pressuring already thin 0.7% net margins and a balance sheet carrying high debt and a recent US$2.9b one off loss. At the same time, the company is cutting prices, investing heavily in digital platforms, automation and private label brands and facing regulatory scrutiny over digital price tags and costly environmental fixes, all of which could squeeze cash flow if e commerce remains unprofitable. Yet the stock screens as deeply undervalued versus one fair value estimate. Investors who understand where Kroger’s pricing power and debt risks really sit may see a very different risk reward picture than the headline numbers suggest.

Kroger’s thin 0.7% net margins and high debt could be masking far more fragile cash generation than headline sales suggest, so it is worth reading the Kroger financial health report

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.