Unusual Option Activity

A trader bought 10,600 HAL Oct 25th 51 Puts for $0.47 (2.6 times usual volume) with stock at $52.38
A trader bought 1,000 RCII Nov 35 Puts for $1.10 (16.1 times usual volume) with stock at $36.00
A trader bought 1,200 CPE Apr 5 Calls for $2.25 (2.7 times usual volume) with stock at $7.03
A trader bought 12,000 KKR Jan 2015 27 Calls for $0.85 (6.3 times usual volume) with stock at $22.19
A trader bought 51,000 CCE Jan 45 Calls for $0.50 (131 times usual volume) with stock at $41.84