Why VBI Vaccines Stock Is Skyrocketing Today

Shares of VBI Vaccines (NASDAQ: VBIV) were skyrocketing 24.4% as of 11:53 a.m. EDT on Friday. The drugmaker didn't announce any news, but there appeared to be three factors potentially driving VBI's shares higher.

VBI Vaccines was upgraded to a strong buy by investment research firm Zacks on Wednesday. The stock rose more than 7% on Thursday.

But the gains on Thursday and today also seem to be fueled by worries about the rise in the number of COVID-19 cases in the U.S. These concerns have made the stocks of companies with coronavirus programs attractive picks for investors.

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Source Fool.com