Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) is one of best affordable biotech stocks to invest in now. Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) announced on September 8 the results evaluating “its first-in-class investigational allergen-blocking antibodies in allergen-challenge Phase 3 trials in adults with moderate-to-severe cat or birch allergies.” Why Regeneron Pharmaceuticals, Inc. (REGN) Crashed Last Week The results showed that both trials met their respective primary and key secondary endpo ...