Arbitrum price jumps 13% as Robinhood adds ARB for trading

Arbitrum’s price jumped 12.9% on Thursday after Robinhood announced its listing, though ARB is still down more than 80% since its all-time high. Ethereum’s layer-2 solution, Arbitrum (ARB), is now available for trading on Robinhood, joining Bitcoin (BTC), Ethereum (ETH),…