Why Ducommun (DCO) Shares Are Sliding Today

What Happened?

Shares of aerospace and defense company Ducommun (NYSE:DCO) fell 4.4% in the afternoon session after the company reported fourth-quarter financial results that showed a miss on revenue expectations, despite beating profit estimates. 

Ducommun posted quarterly revenue of $215.8 million, which fell short of analysts' consensus estimate of $217.6 million. While the company's adjusted earnings of $1.05 per share surpassed expectations of $0.96, investors appeared to focus on the top-line miss and other concerning trends.

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What Is The Market Telling Us

Ducommun’s shares are not very volatile and have only had 7 moves greater than 5% over the last year. In that context, today’s move indicates the market considers this news meaningful, although it might not be something that would fundamentally change its perception of the business.

The biggest move we wrote about over the last year was 7 months ago when the stock dropped 4.6% on the news that an unexpectedly sharp rise in wholesale inflation fueled concerns about rising costs and their impact on corporate profits. The primary catalyst was the July 2025 Producer Price Index (PPI), a measure of inflation at the wholesale level, which jumped 0.9% against forecasts of a 0.2% rise. This represents the most significant monthly increase in over three years, pointing to mounting cost pressures for manufacturers, with tariffs cited as a key factor. This data complicates the Federal Reserve's upcoming interest rate decisions, as persistent inflation may prevent rate cuts, creating a headwind for cyclical sectors like Industrials.

Ducommun is up 23.9% since the beginning of the year, and at $119.94 per share, it is trading close to its 52-week high of $126.77 from February 2026. Investors who bought $1,000 worth of Ducommun’s shares 5 years ago would now be looking at an investment worth $2,205.

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