Kythera Biopharmaceuticals (KYTH) zooms as Allergan sets to buy

Kythera Biopharmaceuticals Inc (NASDAQ: KYTH) shares climbed 22.2% to $74.19 after Allergan PLC announced its plans to buy Kythera Biopharma for $2.1 billion in cash & stock. Share volume was 5.7 million, towering over an all-day average of 551,000