Trump-backed Bitcoin miner surges 9% after $170M Dominari stake [https://www.thestreet.com/.image/t_share/MjE3NjM3NjIzMzkxMzMxNjk2/gettyimages-2226875692.jpg] Trump-backed Bitcoin miner surges 9% after $170M Dominari stake American Bitcoin (ABTC), backed by Trump’s sons, jumped 9% after Dominari revealed a $170M stake, but the volatile miner remains risky for investors. [https://www.thestreet.com/crypto/markets/trump-backed-stock-dominari-170m-stake]