美股异动｜美澳签署关键矿产协议，稀土概念股大跌

Core Insights - The article highlights a significant drop in stock prices for several companies involved in rare earth and critical minerals, with Cleveland-Cliffs falling over 16%, USA Rare Earth and Critical Metals dropping over 13%, American Resources declining over 12%, and MP Materials decreasing over 6% [1] Group 1: Agreement Details - U.S. President Trump and Australian Prime Minister Albanese signed an agreement regarding rare earth and critical minerals [1] - The agreement is described as an $8.5 billion "ready-to-go collaboration project" [1] - Both parties agreed to streamline the approval processes for mining, processing facilities, and related operations to enhance the production of rare earth and critical minerals [1]