As of July 20, 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.Here’s the latest list of major overbought players in this sector.Crown Holdings Inc (NYSE:CCK)Silgan Holdings Inc (NYSE:SLGN)

On July 17, BMO Capital analyst Ketan Mamtora initiated coverage on Silgan with an Outperform rating and announced a price target of $57. The company’s stock gained around 13% over the past month and has a 52-week high of $56.85.

RSI Value: 70.5

SLGN Price Action: Shares of Silgan fell 0.5% to close at $47.18 on Friday.

Hongli Group Inc (NASDAQ:HLP)