Investing.com - Merck&Co rose by 3.11% to trade at $76.33 by 11:44 (15:44 GMT) on Tuesday on the NYSE exchange.
The volume of Merck&Co shares traded since the start of the session was $8.92M. Merck&Co has traded in a range of $74.83 to $76.36 on the day.
The stock has traded at $83.5000 at its highest and $73.5800 at its lowest during the past seven days.