Merck & Co. (MRK) Stock News Today: Keytruda Wins, $9.2 Billion Cidara Deal and Fresh Highs — November 29, 2025
Published: November 29, 2025 Merck & Co., Inc. (NYSE: MRK) heads into the last month of 2025 riding a powerful wave of oncology wins, big‑ticket acquisitions and fresh analyst upgrades that have pushed the stock to new 52‑week highs. As