REGENXBIO Inc. (NASDAQ:RGNX – Get Free Report) gapped down prior to trading on Wednesday after the company announced weaker than expected quarterly earnings. The stock had previously closed at $20.02, but opened at $19.01. REGENXBIO shares last traded at $19.31, with a volume of 61,047 shares trading hands. The biotechnology company reported ($1.43) EPS for […]