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Why Sterling (STRL) Stock Is Up Today

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What Happened?

Shares of civil infrastructure construction company Sterling Infrastructure (NASDAQ:STRL) jumped 3.2% in the afternoon session after the second quarter (2025) earnings season got off to a strong start. Quarterly earnings reports released during the week exceeded Wall Street's expectations, fueling investor confidence. Around 50 S&P 500 components reported, with 88% of those exceeding analysts' expectations, FactSet data revealed. 

Investors were also encouraged by several positive reports that painted a picture of a resilient consumer. One key report revealed that shoppers increased their spending at U.S. retailers more than economists had anticipated. Precisely, retail sales increased 0.6% from May, surpassing the 0.2% estimate. This robust consumer spending is a crucial pillar supporting the economy. 

Adding to the positive sentiment, the latest data on unemployment claims showed a decrease in the number of workers applying for benefits, signaling that layoffs remain limited and the job market is steady. This combination of strong earnings reports, retail sales, and a solid labor market suggests the economy is navigating challenges successfully.

After the initial pop the shares cooled down to $253.06, up 4% from previous close.

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What Is The Market Telling Us

Sterling’s shares are extremely volatile and have had 35 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 biggest move we wrote about over the last year was 3 months ago when the stock gained 6.7% after the S&P Dow Jones Indices announced that the company would replace Patterson (which was being acquired) in the S&P SmallCap 600 index before the opening of trading on Thursday, April 17, 2025. Being included in the index means that Sterling would likely be held by many mutual funds and ETFs, which could potentially drive up demand for the stock. 

We note that while buying of the stock could increase, this development does not change the fundamentals of the company. Revenue growth, expense efficiency, and capital intensity of the business, for instance, are not impacted by index inclusion or exclusion, so this is more of a technical tailwind for the stock.

Sterling is up 50.9% since the beginning of the year, and at $253.06 per share, has set a new 52-week high. Investors who bought $1,000 worth of Sterling’s shares 5 years ago would now be looking at an investment worth $25,639.

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