Bullish Signals

A trader bought 3,048 TNGO Feb 25 Calls for $0.25 (4.7 times usual volume) with stock at $17.00
A trader sold 5,000 KERX Dec 11 Puts for $0.30 (3 times usual volume) with stock at $13.36
A trader bought 6,358 BYD Nov 11 Calls for $0.15 (2.4 times usual volume) with stock at $10.18
A trader sold 5,389 CHRW Nov 55 Puts for $0.05 (3.9 times usual volume) with stock at $59.63
A trader bought 5,000 PBI Nov 22 Calls for $0.35 (2 times usual volume) with stock at $21.93