ソース:[1] Alcoa to Record $890 Million Q3 Restructuring Charges Related to Closure of Australia Alumina Refinery (https://finance.yahoo.com/news/alcoa-record-8 ...)[2] Alcoa Announces Closure of Kwinana Refinery, Also Updates Third Quarter 2025 Outlook (https://vertexaisearch.cloud.google.com/groun ...)[3] OpenAI and NVIDIA announce strategic partnership to deploy 10 gigawatts of NVIDIA systems (https://vertexaisearch.cloud.google.com/groun ...)