Argo Blockchain, a crypto miner whose shares trade on the London Stock Exchange (ARB) and Nasdaq (ARBK), said it requested a 24-hour suspension of U.S. trading. U.K. markets are closed Tuesday. The London-based company, which has been in talks to secure financing, said it intends to make a statement before the start of trading on Wednesday. On Dec. 12, the company said it was close to restructuring without having to declare bankruptcy. At that time, it said it was in advanced negotiations to...

Blockchain’s spreading its wings. The distributed-ledger technology behind Bitcoin and other digital currencies is being adopted by energy companies -- mainly in Europe, the Middle East and Africa -- for applications such as peer-to-peer trading of renewable power, according to Bloomberg New Energy Finance. Startups account for two-thirds of companies working on applications in energy, after their number jumped 10-fold since 2016, while the rest are big corporates. An error has occurred You...