Goldman Sachs Group remained a lone wolf on Wall Street when it comes to cryptocurrency, holding firm to its negative stance despite a recent surge in prices and increasing interest from other financial giants. What Happened: Sharmin Mossavar-Rahmani, the chief investment officer of Goldman Sachs’ Wealth Management unit, has long been a vocal skeptic of Bitcoin and other digital assets, and her views haven’t softened. In an interview with the Wall Street Journal, she reiterated her position: “We do not think it is an investment asset class. We’re not believers in crypto.” This stance stood in …