As of June 18, 2026, three stocks in the materials sector could be flashing a real warning to investors who value momentum as a key criteria in their trading decisions.



The RSI is a momentum indicator, which compares a stock’s strength on days when prices go up to its strength on days when prices go down. When compared to a stock’s price action, it can give traders a better sense of how a stock may perform in the short term. An asset is typically considered overbought when the RSI is above 70, according to Benzinga Pro. 



Here's the latest list of major overbought players in this sector.



<h3>Friedman Industries Inc (NASDAQ:FRD)</h3>



<ul>
<li>On June 11, Friedman Industries posted a sharp increase in earnings per share in fourth-quarter results. Friedman reported fourth-quarter net earnings of $9.2 million, or $1.30 diluted EPS, on sales of $191.8 million, up from $5.3 million, or $0.76 EPS, on $129.2 million a year prior. The company's stock gained around 77% over the past month and has a 52-week high of $37.00.</li>



<li>RSI Value: 93.2                                </li>



<li>FRD Price Action: Shares of Friedman Industries rose 3.5% to close at $36.07 on Wednesday.</li>



<li>Edge Stock Ratings: 95.99 Momentum score with Value at 92.05. </li>
</ul>



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<h3>Suncrete, Inc (NASDAQ:RMIX)</h3>



<ul>
<li>On June 15, Suncrete said it has completed the acquisition of ABC Block Company (ABC), a concrete product supplier. Randall Edgar, Suncrete’s Chief Executive Officer, said, “We are pleased to welcome ABC and its talented team of employees to Suncrete. For more than five decades, ABC has cultivated a strong reputation across its communities based on the company’s commitment to product quality and customer service, focused on helping their customers keep projects on time and in budget without sacrificing quality or service. Their local market expertise and strong operational performance will contribute to our continued growth in the region.” The company's stock gained around 32% over the past month and has a 52-week high of $23.89.</li>



<li>RSI Value: 82.4</li>



<li>RMIX Price Action: Shares of Suncrete gained 1% to close at $23.42 on Wednesday.</li>
</ul>



<h3>Silgan Holdings Inc (NYSE:SLGN)</h3>



<ul>
<li>On April 29, Silgan Holdings reported better-than-expected first-quarter financial results and raised its FY2026 adjusted EPS guidance above estimates. “Silgan delivered another quarter of strong results in the first quarter that were at the high end of our expected range, as our business continues to outpace the trends in the markets we serve. Our teams are focused on executing our plan for 2026 and delivering on our long term strategic growth initiatives, as our market leading innovation, differentiated customer partnership model, and operational excellence continue to set us apart in our markets,” said Adam Greenlee, President and CEO. The company's stock gained around 12% over the past month and has a 52-week high of $57.04</li>



<li>RSI Value: 70.4</li>



<li>SLGN Price Action: Shares of Silgan rose 0.5% to close at $41.87 on Wednesday.</li>
</ul>



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SLGN

RMIX

As of June 18, 2026, three materials sector stocks—Friedman (FRD), Suncrete (RMIX), and Silgan (SLGN)—are flagged as overbought with RSI values above 70, signaling potential momentum-driven risks. Friedman posted strong Q4 earnings; Suncrete completed an acquisition; Silgan raised FY2026 EPS guidance. Despite recent gains, high RSI levels suggest caution for investors relying on momentum indicators.

Top 3 Materials Stocks That Are Ticking Portfolio Bombs