American Bitcoin Corp. (ABTC), a bitcoin mining firm linked to Eric Trump and Donald Trump Jr., experienced a dramatic 40% drop in its share price on Tuesday. This decline occurred despite Bitcoin's price climbing above $91,000. Trading volume for ABTC surged to 55 million shares, significantly higher than its average of 3 million, suggesting intense selling pressure. Hut 8, which owns 80% of ABTC, also saw its shares fall by 12%. The sell-off in ABTC shares comes amid a broader rally in cryptocurrency-related stocks. According to SEC filings, most ABTC shareholders are under a 180-day lockup period, preventing them from selling until March 3, 2026. ABTC's stock, which reached $14 in September 2025, is now trading just above $2.