Jim Cramer sends harsh warning on Eric Trump-backed stock

Group 1 - Jim Cramer describes American Bitcoin (ABTC) as a "total spec," indicating its speculative nature in the market [2][3] - ABTC is a Bitcoin mining firm co-founded by Donald Trump's sons and is majority owned by Hut 8 [2] - The stock price of ABTC has declined from $8.32 to $6.58 since its debut on Wall Street on September 3, 2025 [5] Group 2 - Cramer mentions that while ABTC is inexpensive, it carries significant risk, stating it could "lose everything" [4][5] - Another Bitcoin mining stock, IREN Limited, has seen a 380% increase in stock price over the past year, but Cramer warns it is "too hot" [6][7] - Bitcoin's price has fallen over 5% in the last week, trading at $109,439.91 at the time of the report [7]