Benzinga's Top Downgrades

Morgan Stanley downgraded Carnival Corp CCL from Equal Weight to Underweight. The price target for Carnival has been lowered from $54 to $48. Carnival shares fell 4.21 percent to $46.65 in pre-market trading.
Analysts at Piper Jaffray downgraded VeriFone Systems Inc PAY from Overweight to Neutral. VeriFone shares fell 16.62 percent to $16.76 in pre-market trading.
DA Davidson downgraded Greif, Inc. GEF from Buy to Neutral. The price target for Greif has been raised from $44 to $45. Greif shares fell 0.79 percent to $44.95 in pre-market trading.
Analysts at Bank of America downgraded STMicroelectronics NV (ADR) STM from Neutral to Underperform. STMicroelectronics shares declined 3.98 percent to $7.24 in pre-market trading.
Analysts at Morgan Stanley downgraded Ciena Corporation CIEN from Overweight to Equal Weight. The price target for Ciena is set to $23. Ciena shares declined 1.55 percent to $22.81 in pre-market trading.
JP Morgan downgraded BT Group plc (ADR) BT from Overweight to Neutral. BT Group shares rose 0.58 percent to $25.91 in pre-market trading.
Analysts at Baird downgraded Joy Global Inc. JOY from Outperform to Neutral. Joy Global shares fell 0.11 percent to close at $27.25 on Thursday.
First Analysis downgraded Interactive Intelligence Group Inc ININ from Overweight to Equal-weight. Interactive Intelligence shares rose 0.48 percent to close at $60.14 on Thursday.