$Merck(MRK)$ $Merck & Co., Inc.(MRK) +0.78%: Pharma Giant Holds $144.91 as Momentum Stabilizes, Key Resistance at $149.87 Looms 📊💊 Latest Close Data: MRK closed at $144.91 (+0.78%) on Sep 17, just 7.7% below its 52-week high of $156.92. Range stayed tight at $143.50–$144.97, with pre-market at $143.54 and after-hours at $144.77. Core Market Drivers: Daiwa upgrade in mid-August and Morgan Stanley's upgrade to Overweight (PT raised $116→$179) continue to support bullish sentiment. Moderna-Merck mRNA cancer vaccine Phase III success (INTerpath-001) reinforced Keytruda franchise durability. Defensive pharma rotation amid mixed macro tape also lent support. Technical Analysis: Volume was 7.23M shares, below average (Volume Ratio 0.89), suggesting me