Bitcoin (BTC) rebounded near $78,000 after dropping below $80,000 due to US stock futures decline.Fear & Greed Index of US stock markets dropped to 4/100, suggesting panic selling and potential for a sharp recovery.Caution advised due to high volatility; Michael Saylor's company halted Bitcoin purchases.S&P 500 Index gapped down, finding support near 61.8% Fibonacci retracement level at 4,884.US Dollar Index bounced off 101 support but faces resistance at 20-day EMA at 103.95.Bitcoin price showed buying near $73,777 with potential to reach $89,000 and $95,000.Ether (ETH) downtrend resumed below $1,754 support, RSI in oversold suggesting a relief rally.XRP (XRP) formed a head-and-shoulders pattern, facing solid selling at $2 with support at $1.77.BNB (BNB) dropped sharply below 61.8% Fibonacci retracement level at $559, with support at $520.Solana (SOL) collapsed below $120-$110 support, with potential downside to $80.