As of Sept. 1, 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.

Nutrien Ltd (NYSE:NTR)

  • On Aug. 5, Nutrien posted mixed results for the second quarter. “In the first half of 2026, Nutrien delivered record potash sales volumes, strong growth in proprietary products margins and further enhanced the reliability and cost position of our nitrogen assets in a dynamic global operating environment,” commented Ken Seitz, Nutrien’s President and CEO. “Our focus on operational excellence, targeted growth investments and ongoing portfolio optimization initiatives is strengthening our business, supporting structural free cash flow growth and increasing cash returns to shareholders.” The company’s stock gained around 15% over the past month and has a 52-week high of $85.36.
  • RSI Value: 72.3                                
  • NTR Price Action: Shares of Nutrien gained 2.8% to close at $75.53 on Monday.
  • Edge Stock Ratings: 71.21 Momentum score with Value at 81.67.

Warrior Met Coal Inc (NYSE:HCC)

  • On Aug. 5, Warrior Met Coal reported better-than-expected second-quarter financial results. “We delivered record sales volumes, improved pricing and a lower-cost profile in the second quarter, driving significant margin expansion and generating more than $103 million of free cash flow,” commented Walt Scheller, CEO of Warrior. The company’s stock gained around 34% over the past month and has a 52-week high of $111.20.
  • RSI Value: 72.9
  • HCC Price Action: Shares of Warrior Met Coal gained 1.1% to close at $108.24 on Monday.

Alpha Metallurgical Resources Inc (NYSE:AMR)

  • On Aug. 7, Alpha Metallurgical posted downbeat results for the second quarter. “Due to several factors, we closed out the first half of 2026 with fewer tons shipped and higher costs than expected,” said Andy Eidson, Alpha’s chief executive officer. “Those realities are evident in our second quarter results, and they informed our decision to release adjusted guidance ranges for sales volumes and cost of coal sales.” The company’s stock gained around 70% over the past month and has a 52-week high of $253.82.
  • RSI Value: 88.3
  • AMR Price Action: Shares of Alpha Metallurgical Resources gained 4.2% to close at $235.70 on Monday.

Learn more about BZ Edge Rankings—click to see scores for other stocks in the sector and see how they compare.

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