Juno gains 46% in first trading day

Juno Therapeutics Inc. (NASDAQ:JUNO) gained $11 (46%) to $35 on Friday, its first day of trading, after raising $264.6 million through the sale of 11 million shares at $24 in its IPO. The cancer immunotherapy developer finished the day with a market cap of $2.7 billion (see BioCentury Extra, Dec. 18). ...