Biotechnology Denmark's Genmab A/S (OMX: GEN) saw its shares leap 20% to 81 Danish kroner in morning trading yesterday, after the company announced today a global license and development agreement for daratumumab (HuMax-CD38), a human CD38 monoclonal antibody with Janssen Biotech, part of US health care giant Johnson & Johnson (NYSE: JNJ), worth potentially more than $1.1 billion to the Danish firm. Genmab shares have more than doubled this year, giving the Copenhagen-based company a market value of 3.62 billion kroner, noted Bloomberg. 31 August 2012