Investing.com - Merck&Co rose by 3.12% to trade at $76.66 by 15:47 (19:47 GMT) on Friday on the NYSE exchange.
The volume of Merck&Co shares traded since the start of the session was $17.79M. Merck&Co has traded in a range of $72.26 to $76.66 on the day.
The stock has traded at $82.7700 at its highest and $72.2800 at its lowest during the past seven days.