市场消息：Robinhood(HOOD.O)在区块链平台向欧洲交易员提供美国股票（投资服务）。

Group 1 - Robinhood is offering U.S. stock trading services to European traders through a blockchain platform [1] - This move indicates Robinhood's expansion strategy into international markets [1] - The initiative aims to leverage blockchain technology to enhance trading efficiency and accessibility for European investors [1]