美股稀土概念涨势扩大，USAR涨超20%领升板块

Core Viewpoint - The US rare earth sector is experiencing significant gains, with USAR leading the surge by over 20%, indicating strong investor interest and potential growth in the industry [1] Company Summaries - USAR has seen its stock price increase by more than 20%, leading the rare earth sector's performance [1] - CRML's stock has risen by over 14%, and the company plans to establish a rare earth processing facility in Saudi Arabia, which may enhance its operational capacity and market presence [1] - MP Materials has also experienced a stock increase of over 7%, reflecting positive market sentiment towards rare earth companies [1]