U.S. equity markets opened the week in the red as escalating tensions with Iran sent shockwaves through travel and energy sectors, while defense stocks surged on safe-haven buying. Despite encouraging manufacturing data, investors remained cautious as geopolitical uncertainty overshadowed positive economic signals.
Market Performance: A Sea of Red with Pockets of Green
All three major indices were lower on Monday morning
The relatively muted declines across indices mask significant sector rotation beneath the surface. Travel and airline stocks bore the brunt of selling pressure after Iranian strikes prompted the grounding of thousands of flights, sparking immediate concerns about fuel costs and near-term travel demand. American Airlines and Delta Air Lines both saw their shares tumble as investors reassessed exposure to geopolitical risk.
On the flip side, defense contractors enjoyed a banner day. Palantir, Lockheed Martin, and other defense-adjacent names rallied sharply as traders positioned for potential increased military spending. The divergence between these sectors tells a clear story: markets are pricing in prolonged regional instability.
Economic Data: Manufacturing Momentum Continues
In a silver lining for economic bulls, U.S. manufacturers reported growth for the second consecutive month, suggesting the industrial sector continues to find its footing despite headwinds. The expansion marks an encouraging trend after months of contraction that plagued the manufacturing economy through much of 2025.
However, analysts were quick to temper enthusiasm. As one report noted, “tariff instability still exists,” reminding investors that trade policy uncertainty continues to cloud the outlook for American factories. With ongoing negotiations and potential policy shifts on the horizon, manufacturers face an unpredictable operating environment that could easily reverse recent gains.
The juxtaposition of improving manufacturing data against geopolitical turmoil encapsulates the push-and-pull dynamic currently gripping markets.
Earnings Highlights: Small Caps Deliver Surprises
While mega-cap earnings season has largely concluded, several smaller companies reported results today with notable beats:
- Aprea Therapeutics (APGE) posted a loss of $1.03 per share, narrowly beating analyst estimates of -$1.08. While still unprofitable, the smaller-than-expected loss suggests the biotech company is making progress on cost management.
- Compugen (CGEN) delivered the day’s standout performance, reporting earnings of $0.60 per share versus expectations of just $0.05. The nearly 12x beat sent a clear signal that the computational drug discovery company’s pipeline is generating real value.
Several companies are still awaiting results, including Kaspi.kz (KSPI), the Kazakhstan-based fintech giant with sky-high estimates of $1,725.42 per share, and AES Corporation (AES), expected to post $0.61 in earnings as the utility sector navigates the energy transition.
Sector Spotlight: Optical Stocks Surge on AI Infrastructure Boom
In a notable development outside geopolitical headlines, Coherent and Lumentum shares popped following news of expanded partnerships with Nvidia. The optical networking companies are benefiting from insatiable demand for data center infrastructure as artificial intelligence workloads continue to explode.
The deals underscore a broader theme: while consumer-facing tech may face headwinds, the picks-and-shovels plays enabling AI development remain firmly in demand. Optical component makers have emerged as unexpected winners in the AI revolution, providing the high-speed connectivity that makes large language models and complex computations possible.
Looking Ahead: What to Watch
As we move deeper into the week, investors should monitor several key developments. First, any escalation—or de-escalation—in the Iran situation will likely drive near-term sentiment, particularly in energy, travel, and defense sectors. Crude oil prices bear watching as a barometer of geopolitical risk.
On the earnings front, results from KSPI and AES could provide insight into emerging market fintech strength and domestic utility performance, respectively. Meanwhile, any clarity on tariff policy would be welcomed by manufacturers trying to plan for the quarters ahead. Buckle up—it’s shaping up to be a volatile week.
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