Unusual Option Activity

A trader bought 17,652 ORCL Dec 33 Puts for $0.53 (2 times usual volume) with stock at $33.70
A trader bought 1,356 HIMX Jan 13 Calls for $0.65 (2.7 times usual volume) with stock at $11.93
A trader sold 12,000 CBST Jan 60 Puts for $0.75-$1.05 (3.7 times usual volume) with stock at $66.45
A trader bought 7,300 KKR Jan 2015 30 Calls for $1.15 (6.5 times usual volume) with stock at $25.59
A trader bought 2,500 LO Jan 50 Puts for $1.23 (3.2 times usual volume) with stock at $49.92