Shares of Inovio Pharmaceuticals (NASDAQ: INO) were slipping 5.7% lower as of 2:58 p.m. EDT on Tuesday. The biotech didn't make any announcements that would cause its stock to slide. Instead, we're seeing a continuation of a sell-off that began in July.
It's more important to understand why Inovio's shares have been falling for several weeks than it is to delve into one day's movement. The bottom line for Inovio is that confidence about the prospects for its coronavirus vaccine candidate, INO-4800, has decreased.
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Source Fool.com