Unusual Options Activity

A trader sold 4,975 ARIA Jan 4 Puts for $0.17 (3.7 times usual volume) with stock at $6.17
A trader bought  12,535 HYG Mar 94-95 Call Spreads for $0.35 (4.3 times usual volume) with stock at $93.00
A trader bought 3,000 AMRN Jan 4 Calls for $0.07 (6.1 times usual volume) with stock at $1.87
A trader bought 1,500 IWO May 125 Puts for $4.25 (4.3 times usual volume) with stock at $132.02
A trader bought 1,100 NTE Mar 10 Puts for $3.20 (6.5 times usual volume) with stock at $7.05