• Earlier in April 2026, American Express reported first-quarter results that exceeded analyst expectations, with double-digit revenue and earnings growth powered by robust premium cardmember spending, higher annual fees, and continued international expansion, while reaffirming its full-year 2026 revenue and earnings guidance.
• At the same time, the company doubled down on artificial intelligence with its new Agentic Commerce Experiences developer kit and Amex Agent Purchase Protection, and announced the acquisition of AI-focused expense platform Hypercard to extend its closed-loop payments model into AI-driven, intent-based commerce.
• We’ll now examine how American Express’s decision to boost marketing and technology investment, especially in AI, could influence its investment narrative.

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American Express Investment Narrative Recap

To own American Express, you need to believe its premium, fee and spend driven model can withstand competition, changing payment habits, and higher marketing and technology spend. The latest quarter reinforced that story with strong growth and reaffirmed 2026 guidance, but the short term catalyst of sustained affluent spending now sits beside a more immediate risk that rising variable customer engagement and AI investment could weigh on margins if revenue growth slows.

The April launch of the Agentic Commerce Experiences developer kit and Amex Agent Purchase Protection is especially relevant here. It pushes American Express further into AI driven payments while leaning on its closed loop network and long standing focus on trust and protection. For investors, this ties the near term spending uptick on technology directly to a potential catalyst in future transaction volumes and retention, but also sharpens the risk if digital wallets and alternative payment rails scale faster than expected.

Yet beneath the strong quarter and bold AI push, there is a growing risk investors should be aware of if higher rewards, marketing, and tech costs continue to...

American Express’ narrative projects $85.7 billion revenue and $13.5 billion earnings by 2028.

Uncover how American Express' forecasts yield a $378.94 fair value, a 19% upside to its current price.

Exploring Other Perspectives

Some of the most optimistic analysts were already assuming revenue near US$96.9 billion and earnings of about US$16.4 billion by 2029, so if AI driven investments do not offset rising competitive and digital wallet risks as quickly as they expect, their upbeat view could look very different from the more cautious consensus you see today.

Explore 10 other fair value estimates on American Express - why the stock might be worth as much as 39% more than the current price!

Reach Your Own Conclusion

Disagree with existing narratives? Extraordinary investment returns rarely come from following the herd, so go with your instincts.

• A great starting point for your American Express research is our analysis highlighting 3 key rewards and 2 important warning signs that could impact your investment decision.
• Our free American Express research report provides a comprehensive fundamental analysis summarized in a single visual - the Snowflake - making it easy to evaluate American Express' overall financial health at a glance.

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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.