Unusual Option Activity

A trader bought 4,304 HP Jan 80 Calls for $2.10 (6.8 times usual volume) with stock at $77.44
A trader bought 11,325 MJN Dec 70 Puts for $0.41 (8.2 times usual volume) with stock at $80.63
A trader bought 10,000 YNDX Dec 38 Calls for $1.50 (5 times usual volume) with stock at $36.82
A trader bought 2,900 VCRA Jan 20 calls for $0.60 (2.7 times usual volume) with stock at $16.95
A trader bought 26,000 LOW Dec 44 Puts for $0.205 (7.6 times usual volume) with stock at $51.70