比特币矿企American Bitcoin再度触发停牌 涨幅扩大至90%

Group 1 - The core point of the article is that American Bitcoin, a Bitcoin mining company, has triggered a trading suspension again, with its stock price increasing by 90% [2] Group 2 - The trading suspension indicates significant volatility in the cryptocurrency mining sector, particularly for companies like American Bitcoin [2] - The 90% increase in stock price suggests heightened investor interest or speculation surrounding the company's performance or market conditions [2]