$MRK Below Avg Volume Pattern 
Daily appearances since 2010-01-04: 134
Performance (Close) 5 days later ±:
Avg: 0.18
Worst: -5.72
Best: 5.79 

10 days later:
Avg: 0.25
Worst: -5.86
Best: 5.79 

30 days later:
Avg: -0.30
Worst: -11.06
Best: 8.16