ADARx Pharmaceuticals raises $446.3 million in upsized US IPO

ADARx Pharmaceuticals (ADRX.O) said on Thursday it had raised $446.3 million in an upsized US initial public offering, reflecting growing investor appetite for biotech listings.The San Diego-based drug developer sold 26.3 million shares at $17 apiece, the top end of its marketed range, up from its…