Bitcoin plummeted further, but Dogecoin rose as cryptocurrency investors braced for the high-stakes presidential election. What Happened: The world’s largest cryptocurrency fell to $66,800 in the early evening before recovering above $68,000 overnight. Donald Trump’s increasing odds on Polymarket failed to boost the leading coin, which has now erased all of its gains since the climb to near-new highs last week. Ethereum also encountered heavy sell-offs, while Dogecoin outperformed the market with over 8% gains in the last 24 hours. Cryptocurrency liquidations breached $200 million in the last …