Real Money

Andrew Left and his research firm, Citron Research, are known for short selling overvalued or over-hyped companies. Left led the bearish case against Valeant Pharmaceuticals Intl Inc (NYSE: VRX) and even referred to the company as the "Enron" of the pharmaceutical industry back in...

Investors in Pioneer Natural Resources (NYSE: PXD) stock were hurt when oil prices sharply dropped in the afternoon session Thursday, following the offering of 5.25 million shares at $157.52 (3.1 percent lower than the previous close). In his analysis of Pioneer Natural Resources, TheStreet's Real...

Valeant Pharmaceuticals Intl Inc (NYSE: VRX)'s 50 percent plunge on Tuesday is also sparking a selloff in another drug company that Citron's Andrew Left says is the “poster child” for price gouging: Mallinckrodt PLC (NYSE: MNK). Mallinckrodt owns two different drugs, Acthar...