Investing.com - Merck&Co Stock rose by 3.04% to trade at $79.90 by 10:06 (14:06 GMT) on Thursday on the NYSE exchange.
The volume of Merck&Co shares traded since the start of the session was 1.69M. Merck&Co has traded in a range of $78.60 to $79.93 on the day.
The stock has traded at $79.9200 at its highest and $76.0100 at its lowest during the past seven days.