peshkov/iStock via Getty Images Even with bitcoin([[BTC-USD]] -5.8%) pulling back up above $30K, it's still a rough session for companies that invest in bitcoin — Microstrategy ([[MSTR]] -7.7%) and Grayscale Bitcoin Trust ([[GBTC]] -6.0%) both drop. Ether (ETH-USD) is also down 7.5%, under $2K key level with significant selling pressure. The weakness in the crypto market continues as China and the PBOC take action against crypto mining and transactions, a large regulatory risk for crypto prices. Other crypto-related names on the decline: Marathon Digital Holdings (MARA) is down 7.9%, Riot Blockchain (RIOT) -5.1%, Ebang International (EBON) -12%, Galaxy Digital Holdings (BRPHF) -8.6%, Coinbase (COIN) -3.8%, SOS Ltd (SOS) -6.3%, and Bit Digital (BTBT) -3.0%. Earlier, Bitcoin crashes through $30K as crypto selloff picks up steam