Crypto stocks fall as investors flee riskier assets

** Cryptocurrency- and blockchain-related stocks fall premarket as bitcoin prices tumble ** Bitcoin , world's biggest cryptocurrency, down 1.15% at $76,150. Ether slides 1.67% to $1,453** Investors are staying away from riskier assets like crypto due to escalating tariff tensions ** Crypto exchange Coinbase Global falls 2.4%** Retail trading platform Robinhood down 4.2% ** Crypto miners fall: Riot Platforms falls ~1.5%, Mara Holdings 3.1%, Cleanspark ~1.9% and Bit Digital ~1.4%