| Volume | 5,565,066 |
| Open | 140.13 |
| Bid (Size) | 141.35 (100) |
| Ask (Size) | 141.40 (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 | 2.41% |
Merck & Co (MRK) traded between $82.01 and $156.92 over the past 52 weeks and last traded at $141.37, 9.9% below its 52-week high. Over the past week it ranged between $138.80 and $150.36.
MRK was +59.2% over the past year, +17.0% over six months, +32.8% year to date, -5.3% in the last week.
Over the past 12 months MRK returned +59.2% versus DIA (Dow) +10.3%, SPY (S&P 500) +16.1%, QQQ (Nasdaq 100) +25.1% and IWM (Russell 2000) +13.8%.
MRK most recently traded 5,565,066 shares against a 3-month average daily volume of 9.9M.