Investing.com - Merck&Co rose by 3.18% to trade at $70.40 by 10:01 (14:01 GMT) on Thursday on the NYSE exchange.
The volume of Merck&Co shares traded since the start of the session was $1.53M. Merck&Co has traded in a range of $68.12 to $70.44 on the day.
The stock has traded at $74.6400 at its highest and $65.2500 at its lowest during the past seven days.