U.S. stock futures: Robinhood rose nearly 4% again, after soaring nearly 13% overnight to a new high.

According to market data, Robinhood's U.S. stock after-hours trading rose nearly 4% again, after soaring nearly 13% overnight to a new high, releasing a major crypto product portfolio. $BMNR rose sharply by 43%, surging nearly 700% overnight, after announcing a $250.0 million financing to implement an $ETH reserve strategy. [ChainCatcher]