Bearish Signals

A trader bought 2,000 TYC Nov 33 Puts for $0.09 (2.3 times usual volume) with stock at $36.13
A trader bought 2,000 SGEN Dec 30 Puts for $0.70 (2.9 times usual volume) with stock at $39.19
A trader bought 2,150 CETV Apr 2.5 Puts for $0.55 (19.9 times usual volume) with stock at $2.94
A trader bought 1,000 JAH Apr 50 Puts for $1.80 (2.7 times usual volume) with stock at $54.00