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Check out the companies making headlines before the bell:
Moderna (MRNA) – Moderna shares jumped 7.2% in the premarket after the drugmaker said a booster dose of its Covid-19 vaccine increased protection against the omicron variant 37-fold. Amid the spread of omicron, other vaccine makers are also seeing gains with Pfizer (PFE) up 1.4%, BioNTech (BNTX) adding 3.1% and Novavax (NVAX) surging 10.3%.
Cruise line operators – The surge in omicron cases is weighing on cruise stocks,
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