Benzinga's Top Downgrades

Analysts at Oppenheimer downgraded Raptor Pharmaceutical Corp. RPTP from Perform to Underperform. Raptor Pharmaceutical's shares closed at $15.79 on Thursday. Analysts at Barclays downgraded Centene Corp CNC from Overweight to Equal-weight. The price target for Centene has been lowered from $88.00 to $81.00. Centene shares closed at $74.45 on Thursday. Analysts at UBS downgraded Celanese Corporation CE from Buy to Neutral. The price target for Celanese has been raised from $69.00 to $74.00. Celanese shares closed at $73.72 on Thursday. Analysts at Morgan Stanley downgraded Intuitive Surgical, Inc. ISRG from Equal-weight to Underweight. Intuitive Surgical shares closed at $486.29 on Thursday. Citigroup downgraded BT Group plc (ADR) BT from Buy to Neutral. BT Group's shares closed at $71.16 on Thursday. FBR Capital downgraded VMware, Inc. VMW from Outperform to Market Perform. VMware shares closed at $85.17 on Thursday. Guggenheim Securities downgraded Aegerion Pharmaceuticals, Inc. AEGR from Neutral to Sell. Aegerion Pharmaceuticals' shares closed at $18.59 on Thursday. KeyBanc downgraded CIRCOR International, Inc. CIR from Overweight to Sector Weight. CIRCOR International's shares closed at $52.87 on Thursday. BB&T Capital downgraded HORSEHEAD HOLDING CORP. ZINC from Buy to Hold. Horsehead Holding's shares closed at $11.45 on Thursday. Stephens & Co. downgraded ACI Worldwide Inc ACIW from Overweight to Equal-weight. The price target for ACI Worldwide is set to $26. ACI Worldwide shares closed at $24.33 on Thursday.