$凡利亚药品国际(VRX)$ 悲催Ackman终于清仓VRX   Pershing Square Capital Management CEO Bill Ackman stated Monday that his hedge fund sold all its shares in Valeant Pharmaceuticals, sending the drugmaker's stock down as much as 9 percent. "We elected to sell our investment and realise a large tax loss, which will enable us to dedicate more time to our other portfolio companies and new investment opportunities," Ackman said.