Baxalta Inc (NYSE: BXLT) shares gained 3.1% to $36.77, amid a new bid by Shire PLC for the company according to sources as reported by Reuters. Baxalta rejected a $30 billion Shire offer in August, which valued Baxalta at $45.23 per share, saying the offer undervalued Baxalta. Share volume totaled 1.5 million, nearly doubling an all-day average of 758,000