Shares of several cruise line stocks including Carnival Corporation & plc CCL, Royal Caribbean Cruises Ltd. RCL and Norwegian Cruise Line Holdings Ltd. NCLH are trading higher after Pfizer Inc. PFE and BioNTech SE BNTX announced effectiveness of three doses of their vaccine against the omicron variant.
The companies said preliminary laboratory studies demonstrated that three doses of the pfizer-biontech covid-19 vaccine neutralize the omicron variant, while two doses show significantly reduced neutralization titers.
Carnival Corporation & plc operates as a leisure travel company. Its ships visit approximately 700 ports. The stock was trading about 5.5% higher at $19.52 per share on Wednesday at the time of publication.
Royal Caribbean Cruises Ltd. operates as a cruise company worldwide. The stock was trading about 5.2% higher at $75.39 per share.
Norwegian Cruise Line Holdings Ltd., together with its subsidiaries, operates as a cruise company in the North America, Europe, the Asia-Pacific, and internationally. The stock was trading about 8% higher at $21.73 per share.
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