Investing.com - Merck&Co rose by 3.08% to trade at $76.72 by 09:52 (14:52 GMT) on Friday on the NYSE exchange.
The volume of Merck&Co shares traded since the start of the session was 1.72M. Merck&Co has traded in a range of $75.33 to $76.82 on the day.
The stock has traded at $76.8000 at its highest and $72.0500 at its lowest during the past seven days.