比特币、纳斯达克100指数：短线回升，期货转涨0.4%

Core Insights - Bitcoin experienced a short-term rebound, rising nearly $3,000 to reach $83,500 [1] - The Federal Reserve's Williams expressed an open attitude towards potential interest rate cuts, influencing market sentiment [1] - Nasdaq 100 futures shifted from a decline of 0.6% to an increase of 0.4% as a result of these developments [1]