Bearish Signals

A trader bought 1,700 DGX Dec 60 Puts for $0.55 (6.1 times usual volume) with stock at $61.19
A trader bought 800 SXL Feb 70-65 Put Spreads for $1.70 (14.5 times usual volume) with stock at $70.39
A trader bought 2,800 MNST Mar 45 Puts for $0.60 (2.1 times usual volume) with stock at $59.05
A trader bought 1,000 TAN Jan 36 Puts for $0.53 (3.1 times usual volume) with stock at $38.88