Investing.com - Merck&Co rose by 3.03% to trade at $76.07 by 06:00 (19:00 GMT) on Thursday on the NYSE exchange.
The volume of Merck&Co shares traded since the start of the session was $7.81M. Merck&Co has traded in a range of $74.03 to $76.44 on the day.
The stock has traded at $77.5900 at its highest and $66.7600 at its lowest during the past seven days.