| Volume | 7,628,370 |
| Open | 144.34 |
| Bid (Size) | 145.80 (100) |
| Ask (Size) | 147.55 (100) |
| Prev. Close | 146.94 |
| Today's Range | 142.80 - 147.48 |
| 52wk Range | 84.35 - 156.92 |
| Shares Outstanding | 2,531,374,696 |
| Dividend Yield | 2.32% |
Merck & Co (MRK) traded between $84.35 and $156.92 over the past 52 weeks and last traded at $146.73, 6.5% below its 52-week high. Over the past week it ranged between $142.80 and $153.37.
MRK was +71.1% over the past year, +31.7% over six months, +37.8% year to date, -1.1% in the last week.
Over the past 12 months MRK returned +71.1% versus DIA (Dow) +9.2%, SPY (S&P 500) +9.7%, QQQ (Nasdaq 100) +7.3% and IWM (Russell 2000) +13.9%.
MRK most recently traded 7,628,370 shares against a 3-month average daily volume of 10.3M.