Arbitrum jumps 17% on speculation of partnership with Robinhood Speculation has been growing of a potential tie-up between Arbitrum and Robinhood Markets after an X post. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ June 30, 2025 3:01 am