Merck (MRK Quick Quote MRK - Free Report) closed at $120.15 in the latest trading session, marking a -1.05% move from the prior day. The stock trailed the S&P 500, which registered a daily gain of ...
Merck (MRK) shares slid about 3% in premarket trading on Tuesday after the drugmaker issued a full-year 2026 outlook that came in below Wall Street expectations. The Rahway, New Jersey–based company ...