Crypto stocks fall tracking bitcoin weakness

** Shares of cryptocurrency and blockchain-related companies fall premarket as Bitcoin falls nearly 3%, extending losses from a 4-plus% decline on Monday** Cryptocurrency prices slide as U.S. tariffs on China spark fears of a global trade war and high inflation** Bitcoin , the world's biggest cryptocurrency, down about 3% to $98,884, while Ether (ETH=) falls 3.1% to $2,728** Crypto exchange Coinbase Global falls 1.2%, while blockchain farm operator Bitfarms down 0.7%** Crypto miners Riot Platforms Marathon Digital , Hut 8 and Bit Digital down 0.9%-1.9%** Software firm and BTC buyer MicroStrategy declines 2.1% ** ProShares Bitcoin Strategy ETF falls 2.5%