Benzinga's Top Pre-Market NASDAQ Losers

Rigel Pharmaceuticals Inc RIGL dipped 5.77% to $8 in the pre-market session. RIGL reported that it intends to offer and sell shares of its common stock in an underwritten public offering. Complete Genomics Inc GNOM dropped 1.65% to $13.10 in the pre-market trading. GNOM priced its underwritten public offering of 5,500,000 shares of its common stock at $12.50 per share. CoStar Group Inc CSGP fell 1.27% to $60.75 in the pre-market session. CSGP priced an offering of 3,750,000 shares of its common stock at a price of $60.00 per share. Shire plc SHPGY moved down 1.14% to $90.39 in the pre-market session. SHPGY's subsidiary Shire LLC received Paragraph IV Notice Letters from Amneal Pharmaceuticals LLC and Watson Laboratories Inc. Read more from Benzinga's Markets.