Why Shares of Pfizer, Ocugen, and Vaxart Are Losing Ground Today

Shares of the COVID-19 vaccine makers Pfizer (NYSE: PFE), Ocugen (NASDAQ: OCGN), and Vaxart (NASDAQ: VXRT) are all moving in the wrong direction today. Specifically, Pfizer's stock is down by approximately 4%, Ocugen's equity is in the red by 5.64%, and Vaxart's shares are underwater by a hefty 8.7%, as of 12:23 p.m. ET Monday afternoon.

What's weighing on these COVID-19 vaccine stocks today? On Sunday, the White House's chief medical advisor, Dr. Anthony Fauci, said that the preliminary data regarding the severity of the omicron variant was "encouraging." While this version of the novel coronavirus appears to be more transmissible than delta, the first batch of data seem to indicate that omicron might be less virulent. Dr. Fauci did warn, however, that more data are required to draw any firm conclusions about the pathogenicity of this variant.

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