Check out the companies making headlines in premarket trading. Moderna — Shares of the vaccine maker continued their rally, jumping more than 11% in early morning trading Monday after gaining 20% on Friday. On Sunday the company's chief medical officer said Moderna could roll out a reformulated vaccine against the omicron variant of Covid early next year. Airlines — Major airlines ticked up as investors bought the dip following new travel suspensions in Asia and Europe, in response to the newly discovered omicron variant of Covid-19. United, Delta and American Airlines each gained about 1%, after losing about 7% Friday. Travel booking site Expedia also rose, about 2%. Cruise lines — Carnival, Royal Caribbean Cruises and Norwegian Cruise Line Holdings each rose more than 3% amid the broader rebound in travel stocks from Friday's omicron-driven sell-off. Allbirds — Shares of the shoe manufacturer rose 2.5% after several analysts initiated coverage of the stock. Morgan Stanley and Bank of America both posted a price target of $23, implying 16% upside to F . . . read the full article here.