American Express shares fall 4.17% despite raising guidance

American Express disappoints more on the details than on the headline: American Express shares

The striking thing about the session is that American Express beats on profit, raises guidance, and still falls. At 19:00 (11:00 in Mexico City), American Express shares are down 4.17%, a sign that the market is paying less attention to the headline and more to the quality of growth, cost trimming, and what that says about higher-income consumer spending. Micron, meanwhile, is moving higher, and PepsiCo continues to pay the price for weaker guidance.

Quotes at 19:00 (Madrid time) on 23 October 2026.

American Express: raises guidance, but the market sells

American Express earned $5.42 per share in the third quarter and $4.68 adjusted, with total revenue, net of interest expense, of $20.062 billion. It also raised its 2026 adjusted EPS outlook to $17.60-$17.90 and announced a 5% reduction in global headcount. Even so, the stock is down 4.17% at 19:00 (11:00 in Mexico City).

What it means. To me, the drop makes sense. When a financial company improves guidance and at the same time announces job cuts, the market understands that management wants to protect margins before the cycle shows more signs of fatigue. That does not invalidate the strength of the premium business, but it does cool the reading. In an environment of more expensive credit for longer, the quality of the consumer matters more than volume. If American Express keeps spending, retention, and risk costs under control, the adjustment will be seen as operational discipline. If not, the market will treat the guidance upgrade as the final friendly stretch of the cycle, not a new starting point. A useful reference here is 28/10 at 19:00 (12:00 in Mexico City), when the Fed will release its statement.

Micron: rebound as money returns to semiconductors

Micron is up 3.30% to $884.76 at 19:00 (11:00 in Mexico City), the best move among the big names on today’s list. There is no company-specific event for the day in the available block, but the move fits with a rebound in the AI and memory-linked segment.

What it means. The mechanism here is fairly clear: when the market starts rewarding spending on data centers again, the names most sensitive to memory and capacity react with more beta than the index. The risk is confusing a tactical rebound with a structural validation. Micron is still a cyclical story about supply and prices, not just narrative. If the Nasdaq Composite is up only 0.05% and Micron advances 3.30%, what I see is selective rotation within technology. That supports the price in the short term, but it requires confirmation in orders, mix, and capex discipline. In Europe, the closest echo is ASML and ASM International because of their exposure to semiconductor investment.

PepsiCo: the punishment for weaker guidance remains open

PepsiCo is down 2.91% to $134.79 at 19:00 (11:00 in Mexico City). The pressure comes after the company lowered its annual core profit forecast earlier this month and trimmed its expectation for organic revenue growth to around 3%, from a previous range of 2% to 4%.

What it means. The market is saying something uncomfortable but useful: in staple goods, it is no longer enough to raise prices if volume and the recovery in North America are not supportive. PepsiCo remains a high-quality company, but quality does not mean immunity when consumers become more selective and the cost of money continues to filter through to spending. What matters to me less is the revenue headline than the real ability to defend margin without damaging mix or demand. If that balance fails, the punishment could spread across the sector. For European peers, Danone and Nestlé will remain under the same spotlight: volume, pricing, and commercial discipline.

Coca-Cola: falling in sympathy, not on its own news

Coca-Cola is down 2.46% to $93.00 at 19:00 (11:00 in Mexico City). There is no company-specific development today in the available block that would justify that move on its own, and its next earnings release is scheduled for 27 October.

What it means. When two major defensive consumer names correct at the same time, I usually look first at sector contagion rather than the anecdote. The market is readjusting multiples in an environment where bonds and the cost of capital matter more, and that hurts even predictable businesses. Coca-Cola may end up benefiting if it shows better elasticity than PepsiCo, but today that difference is not being priced in. Until earnings, the stock is at the mercy of how the market reads volume, mix, and currency. It is a session that reminds us of something simple: defensives protect less when the price had already discounted too much calm.

Chevron and ExxonMobil: oil does the job

Chevron is up 2.60% to $232.58 and ExxonMobil gains 2.49% to $182.67, both at 19:00 (11:00 in Mexico City). Energy stands out in a weak session for the S&P 500, with the rebound in crude oil as the main support.

What it means. There is not much mystery here: if oil rises, the majors regain traction in expected earnings, cash flow, and buybacks. But it is worth not romanticizing the move. Energy helps the index because of its specific weighting, but it also pressures inflation, rates, and financing costs for the rest of the market. That is the trade-off. If crude stays high, Chevron and Exxon will continue to be relative havens; if it turns lower, the market will quickly remember that these gains were more macro than micro. For Europe, the immediate mirror is Shell, BP, TotalEnergies and, in Spain, Repsol.

My take

Today I see a market that is more demanding about earnings quality than a week ago. Before, beating consensus was enough; now it matters where that improvement comes from and how much it depends on cuts, buybacks, or the final push of the cycle. American Express captures that shift well. Micron, in contrast, shows that money is still willing to pay for growth when the lever is AI rather than consumption.

My broader bias does not change: with the Fed still set to speak on 28/10 at 19:00 (12:00 in Mexico City), I find it hard to buy the idea of a quick easing in the cost of money. If the market starts pricing lower rates too soon again, the read could turn quickly. What would make me change my mind would be a combination of activity and credit data that are clearly weaker, not just a tactical bounce. That is the main risk: confusing an intraday reaction with a clean trend when the index still lacks a solid direction.

To go deeper

• My previous analysis: Intel and CoreWeave lead U.S. stocks today
• Stock market investing guide — basic concepts to make better decisions

This article is general financial information and does not constitute investment advice. Investing involves the risk of losing invested capital.