Unusual Option Activity

A trader bought 10,000 MAS Jan 23 Calls for $0.45 (5.6 times usual volume with stock at $22.14
A trader bought 3,200 YRCW Jan 20 Calls for $1.80 (2.2 times usual volume) with stock at $17.62
A trader bought 1,000 VLY Jun 10 Calls for $0.45 (7.3 times usual volume) with stock at $10.07
A trader bought 1,100 ARR Apr 4 Calls for $0.15 (2.7 times usual volume) with stock at $3.94
A trader bought 10,000 KGC May 4 Puts for $0.36 (5.7 times usual volume) with stock at $4.30