Bearish Signals

A trader bought 1,300 SFI Dec 12 Puts for $0.25 (4.9 times usual volume) with stock at $12.51
A trader bought 2,655 BMRN Nov 60 Puts for $1.00 (3.5 times usual volume) with stock at $64.59
A trader bought 5,000 FBC Apr 15 Puts for $1.45 (10 times usual volume) with stock at $16.24
A trader bought 29,000 PLCM Nov 12.5 Puts for $2.05 (4.8 times usual volume) with stock at $10.61