Dow Jones futures were little changed Wednesday morning, along with S&P 500 futures and Nasdaq futures. The stock market rally took a breather Tuesday, edging lower after strong gains over the past few sessions.Royal Caribbean
) and Norwegian Cruise Line
) rallied late on a Bloomberg report that the Centers for Disease Control and Prevention recommended that cruises could resume this summer with certain restrictions. That followed reports indicating that cruise line operators wouldn't have to require vaccinations for travelers.