The U.S. dollar was steady in early Asian trading on Tuesday, while the yen showed weakness beyond the 156 level. Market action was limited as investors held on to expectations of possible Federal Reserve rate cuts later in the year. In cryptocurrency markets, ether led a significant rally on rising expectations of U.S. regulatory approval for spot ether exchange-traded funds (ETFs). The digital currency jumped more than 5% to $3,691.80, up nearly 14% from the previous session, marking its biggest daily percentage gain since November 2022.