Shares of Regeneron (REGN -0.7%) give back a bit after yesterday's blowout quarter on a...

|About: Regeneron Pharmaceuticals, ... (REGN)|By:, SA News Editor

Shares of Regeneron (REGN -0.7%) give back a bit after yesterday's blowout quarter on a downgrade to Market Perform by BMO Capital. The firm cites the shares high valuation plus headwinds the company faces from reimbursement hurdles, incremental gains in new switch patients, and existing switch patients transitioning.