ADARx Pharmaceuticals shares soar in Nasdaq debut after upsized IPO

Shares of ADARx Pharmaceuticals (ADRX.O) rose 30% above their initial public offering price on Friday after the late-stage gene therapy developer raised $446.3 million in an upsized US initial public offering.The shares opened at $22.10, above their IPO price of $17. The San Diego-based firm sold 2…