Unusual Option Activity

A trader bought 20,000 BSX Feb 13 Calls for $0.20 (8.3 times usual volume) with stock at $11.32
A trader bought 2,058 SUNE Dec 12 Puts for $0.51 (5.9 times usual volume) with stock at $12.05
A trader bought 13,600 BX Jan 2015 35 Calls for $1.25 (2.6 times usual volume) with stock at $28.89
A trader bought 25,000 IAG Jun 3 Puts for $0.35 (9.4 times usual volume) with stock at $3.53
A trader bought 2,200 GREK Dec 24 Calls for $0.10 (6.1 times usual volume) with stock at $22.41