Bitcoin dropped below $90,000, deepening a month-long slide that has erased the cryptocurrency’s gains for 2025 and rocked sentiment across the digital-asset world. The largest token fell as much as 2.8% on Tuesday, extending its decline from a record of more than $126,000 set in early October. Bitcoin last traded below $90,000 — eventually tumbling to as low as $74,400 in April — after President Donald Trump upended financial markets worldwide with his initial plan for trade tariffs. It recovered some lo ...