As of April 7, 2026, two 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.

Westlake Corp (NYSE:WLK)

  • On April 6, Wells Fargo analyst Michael Sison maintained Westlake with an Equal-Weight rating and raised the price target from $110 to $125. The company's stock gained around 12% over the past month and has a 52-week high of $120.00.
  • RSI Value: 70.2                                
  • WLK Price Action: Shares of Westlake rose 0.1% to close at $119.53 on Monday.
  • Edge Stock Ratings: 89.62 Momentum score.

Ecovyst Inc (NYSE:ECVT)

  • On March 2, BWS Financial analyst Hamed Khorsand maintained Ecovyst with a Buy and raised the price target from $12 to $16. The company's stock gained around 18% over the past month and has a 52-week high of $13.34.
  • RSI Value: 74.5
  • ECVT Price Action: Shares of Ecovyst rose 1.4% to close at $13.22 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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