According to @business, United States Steel approved a $300 million investment to upgrade select facilities, advancing part of Nippon Steel’s $11 billion commitment following its takeover earlier this year (source: Bloomberg/@business). The source characterizes this as a tranche within the pledged capital expenditure program and does not provide details on specific plants, timelines, or capacity impacts (source: Bloomberg/@business). The source does not mention cryptocurrencies or digital assets, indicating no direct crypto-market catalyst cited from this announcement (source: Bloomberg/@business).