Investing.com - Merck&Co fell by 3.83% to trade at $71.63 by 00:31 (13:31 GMT) on Wednesday on the NYSE exchange.
The volume of Merck&Co shares traded since the start of the session was $291.14K. Merck&Co has traded in a range of $70.81 to $71.63 on the day.
The stock has traded at $82.1800 at its highest and $67.1200 at its lowest during the past seven days.