Ultragenyx (RARE) Moves 15.5% Higher: Will This Strength Last?

Ultragenyx (RARE) shares ended the last trading session 15.5% higher at $22.78. The jump came on an impressive volume with a higher-than-average number of shares changing hands in the session. This compares to the stock's 40.9% loss over the past four weeks.The stock rallied, driven by optimism over the company’s completion of the rolling submission of a biologics license application (“BLA”) to the FDA seeking approval for its AAV gene therapy, DTX401 (pariglasgene brecaparvovec), for the treatment of glyco ...