| Volume | 8,072,642 |
| Open | 140.13 |
| Bid (Size) | 141.18 (3,500) |
| Ask (Size) | 141.80 (100) |
| Prev. Close | 139.54 |
| Today's Range | 139.74 - 142.16 |
| 52wk Range | 82.01 - 156.92 |
| Shares Outstanding | 2,531,374,696 |
| Dividend Yield | 2.40% |
Merck & Co (MRK) traded between $82.01 and $156.92 over the past 52 weeks and last traded at $141.94, 9.5% below its 52-week high. Over the past week it ranged between $138.80 and $150.36.
MRK was +59.8% over the past year, +17.5% over six months, +33.3% year to date, -4.9% in the last week.
Over the past 12 months MRK returned +59.8% versus DIA (Dow) +10.2%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +25.0% and IWM (Russell 2000) +14.0%.
MRK most recently traded 8,072,642 shares against a 3-month average daily volume of 9.9M.