Merck KgaA Is Paying More Than Double for This Gene-Silencing Biotech, Which Is Soaring 125% Merck KgaA Is Paying More Than Double for This Gene-Silencing Biotech, Which Is Soaring 125% · Barrons.com · Courtesy of Merck KGaA Mackenzie Tatananni October 19, 2026 3 min read MRK.DE +0.67% MRK +2.18% ALNY -5.17% SLN -0.25% Silence Therapeutics stock surges as Merck KGaA agrees to acquire the RNA drugmaker for over $1 billion. Continue Reading Terms and Privacy Policy Your Privacy Choices More Info