Add to Google Preferred Sources Bitcoin’s climb above $77,000 triggered a broad altcoin rally, with Zcash surging 47.1% to $827.02 at its peak before settling around 35% higher. Bitcoin Cash jumped 31.4% to $299.49, while Cardano, Dogecoin, XRP, Chainlink, Stellar, and Hyperliquid all posted double-digit gains. Ethereum rose above $2,430. Bernstein strategist Gautam Chhugani attributed…