Key takeaways: Bitcoin’s institution-driven rally has sidelined retail-heavy memecoins. Top memecoins, DOGE, PEPE and TRUMP, show short-term rebound potential for Q4. Bitcoin (BTC) extended its 2025 bull market to fresh highs above $125,000 over the weekend, prompting top altcoins like Ether (ETH), Solana (SOL) and BNB (BNB) to rise in tandem. BTC/USDT, ETH/USDT, XRP/USDT, SOL/USDT,…