https://www.reuters.com/article/us-crypto-currency/bitcoins-star-backers-dip-buyers-drive-crypto-recovery-rally-idUSKCN2D108D

Bitcoin rose nearly 10% in a recovery rally that pushed it back above $40,000 on Thursday, a day after a brutal sell-off on concerns over tighter regulation in China and unease over the extent of leveraged positions among investors sank the world's biggest cryptocurrency to its lowest level since late January.