Aldeyra, Nightstar price follow-ons

Aldeyra Therapeutics Inc. (NASDAQ:ALDX) and Nightstar Therapeutics plc (NASDAQ:NITE) each priced follow-ons Sept. 27, raising a total of about $144 million.

Aldeyra raised $72.2 million through the sale of 5.3 million shares at $13.75 in a follow-on underwritten by Citigroup and Cantor Fitzgerald. The price is a 3% premium to Aldeyra's closing price of $13.35 on Sept. 26, when it proposed the offering after market hours. Aldeyra gained 5% Sept. 27 before pricing the offering, then shed $0.55 to $13.80 on Sept. 28...