IPO Update: Returns Ride Rollercoaster Into Mid-Year As More Biopharmas Take The Plunge

Returns for the 36 biopharma firms that went public in the first half of 2018 – including 14 in June alone – averaged 20.9%, stabilizing after a dip earlier in the year. But while drug developer returns have been on a rollercoaster ride, they're doing better than broader stock indices.