BTCUSD+0.27%COIN+3.97%BITF−0.56%RIOT+5.80%
** Shares of cryptocurrency and blockchain-related companies rise in premarket trading
** Bitcoin BTCUSD rises ~3% to hit a one-week high of $63,733; last up 1.2% at $62,600
** Ether (ETH=) gains ~1.2% to $3,457
** Crypto exchange Coinbase Global COIN climbs 1.7%, while blockchain farm operator Bitfarms Ltd BITF is up 2.7%
** Crypto miners Riot Platforms RIOT, Marathon Digital MARA and U.S.-listed shares of Hut 8 HUT and Bit Digital BTBT up between 1.8% and 4%
** Software firm and bitcoin buyer MicroStrategy MSTR gains 2.3%
** Bitcoin mining machine makers Ebang International EBON trades flat, while Canaan Inc CAN is up 4%
** ProShares Bitcoin Strategy ETF BITO falls 2.4%
** BTC is up ~49% YTD
