Shares of aerospace and defense company Kratos (NASDAQ:KTOS) jumped 3.5% in the afternoon session after geopolitical tensions in the Middle East spurred a rally across the defense sector.

Investors are rotating into defense contractors as geopolitical tensions intensify following U.S. and Israeli strikes on Iran. This has led to a 'risk-off' sentiment in the broader market, where investors pull back from riskier assets. However, defense companies are seeing a surge in interest. For instance, Northrop Grumman, maker of the B-2 stealth bomber reportedly used in the strikes, saw its shares trade higher. Similarly, RTX Corp, the primary contractor for the Patriot missile system, and other major players like Lockheed Martin and BAE Systems also experienced gains. The market anticipates that the deepening conflict will lead to increased government spending on military aircraft, missiles, and surveillance systems, benefiting these companies.

After the initial pop the shares cooled down to $90.21, up 4.4% from previous close.

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Kratos’s shares are extremely volatile and have had 50 moves greater than 5% over the last year. In that context, today’s move indicates the market considers this news meaningful but not something that would fundamentally change its perception of the business.

The previous big move we wrote about was 6 days ago when the stock dropped 5.7% on the news that the company's weak first-quarter revenue guidance overshadowed its strong fourth-quarter results.

While the defense technology company beat analyst expectations for its fourth-quarter earnings and revenue, its outlook for the first quarter of 2026 disappointed investors. Kratos guided for first-quarter revenue of $340 million at the midpoint, which fell short of the $342.4 million analysts had anticipated. This soft forecast for the upcoming quarter appeared to be the primary driver of the negative sentiment, especially since the company's revenue guidance for the full year actually exceeded estimates.

Kratos is up 13.8% since the beginning of the year, but at $90.21 per share, it is still trading 31% below its 52-week high of $130.72 from January 2026. Investors who bought $1,000 worth of Kratos’s shares 5 years ago would now be looking at an investment worth $3,335.

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