Intrexon Partners With Merck Serono On CAR-T Development Deal By: TalkMarkets March 31, 2015 at 15:20 PM EDT The latest partnership, which includes upfront and additional milestone payments, seems to be impressing investors, as share price rises. Read More >> Related Stocks: Intrexon Corp Merck & Co Novartis Ag ADR Ziopharm Oncology IN