Why These 5 Stocks Are Trending on Monday

3. Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) shares are up 1.6% after the company said data indicates a single dose of REGEN-COV could reduce the risk of contracting Covid-19 by almost 82% in the two to eight month period after taking it. The monoclonal antibodies could be used for individuals whose immune systems aren’t shielded enough by existing vaccines. ARK Investment Management owned 713,048 shares of Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) at the end of Q2.