$MSFT Dark Cloud Cover Daily appearances since 2010: 83 Close 5 days later ±: Avg: 0.15 SD: 2.50 Worst: -8.82 Best: 8.39  10 days later: Avg: 0.71 SD: 3.57 Worst: -6.61 Best: 18.21  30 days later: Avg: 1.54 SD: 7.36 Worst: -37.19 Best: 36.68