Bullish Signals

A trader bought 1,700 GREK Dec 24 Calls for $0.20 (3.3 times usual volume) with stock at $22.20
A trader bought 2,700 IVZ Jan 35 Calls for $1.05 (3.2 times usual volume) with stock at $34.76
A trader bought 1,500 AUQ  Jan 2015 Calls for $1.00 (4.2 times usual volume) with stock at $3.62
A trader bought 1,000 SEE Jan 30-32 Call Spreads for $1.45 (2.6 times usual volume) with stock at $32.29
A trader bought 3,500 IMGN Dec 15 Calls for $0.425 (4.2 times usual volume) with stock at $14.07