From a financial standpoint, Merck & Co., Inc. (NYSE:MRK) gross margin improved to 80.9%, reflecting strong operational efficiency and favorable product mix. The company raised its full-year revenue guidance to a range of $63.4 to $64.4 billion, signaling continued growth potential. With a strong pipeline, disciplined investments, and robust earnings growth, Merck & Co., Inc. (NYSE:MRK) remains an attractive investment option for those seeking blue-chip stocks with low PE ratios.