Biotech stocks jump on AbbVie deal to buy cancer drugmaker ImmunoGen
Test tubes are seen in front of a displayed AbbVie logo in this illustration taken on May 21, 2021.Dado Ruvic | ReutersBiotech stocks rose Thursday as AbbVie announced plans to buy cancer drug developer ImmunoGen for $10.1 billion. Shares of ImmunoGen jumped more than 80% Thursday, putting it on track for its highest close since November 2000. Meanwhile, AbbVie's stock rose more than 2%. ImmunoGen develops cancer drugs called antibody-drug conjugates, or ADCs, which are designed to directly kill cancer cells and spare…