Bitcoin jumped more than 10% during a surge in cryptocurrencies Monday, regaining some ground lost during a weekend sell-off that was sparked by renewed signs of a Chinese crackdown on the emerging sector.

Bitcoin, the world’s largest cryptocurrency, was last up 12% at approximately $39,400, erasing losses of 7.5% from a day earlier but still down by more than 40% from last month’s record high.

Second-largest cryptocurrency ether jumped nearly 19% to $2,491 after slumping more than 8% on Sunday to near a two-month low. It too has fallen by almost half from a peak hit earlier this month.

Bitcoin added to its gains late on Monday following tweets from billionaire Elon Musk that appeared to soften his stance against the environmental impact of the cryptocurrency. Musk said on May 12 that Tesla will no longer accept bitcoin due to its consumption of fossil fuels during the mining process.

“Spoke with North American Bitcoin miners. They committed to publish current & planned renewable usage & to ask miners WW to do so. Potentially promising,” Musk wrote.

In the past week policymakers have stepped up their response to the popularity – and volatility – of cryptocurrencies. On Monday, Federal Reserve Governor Lael Brainard told
Source…