USA Rare Earth Inc. (USAR) saw its stock price plummet 6.79% during intraday trading on Monday, as concerns over potential shareholder dilution and broader sector weakness continued to pressure the stock.

The decline follows the company's filing of a proposed securities sale registration, signaling that major shareholders may reduce their holdings. This bearish factor has overshadowed the company's positive first-quarter results, where it reported an adjusted loss per share of $0.12, beating analyst expectations of $0.14, and revenue of $5.7 million, significantly exceeding the $4.2 million consensus estimate.

Additionally, the Diversified Metals & Mining sector is experiencing broad weakness, further contributing to the downward pressure on USA Rare Earth's stock. While the company recently received a $14.2 million grant from Texas for its Round Top heavy rare earth project development, market sentiment remains subdued due to the overhang from potential shareholder dilution.