Biopharmaceutical companies launched 42 initial public offerings in the US in 2017 versus 30 in 2016 as stock values rose. But biotechnology in general endured a rough fourth quarter, raising the question of whether returns will be high enough to support as many or more IPOs in 2018.
The average return for the biopharma IPO class of 2017 as of Dec. 29 – last year's final day of...






