Alphabet has been labeled a monopoly. Now what?Well, it's official: Alphabet (GOOG 0.95%) (GOOGL 1.01%), the parent company of Google, has lost a landmark antitrust lawsuit in Federal court.On Aug. 5, Judge Amit Mehta ruled that Alphabet has illegally stifled competition in the online search market. In his 277-page ruling, Mehta concluded, "Google is a monopolist, and it has acted as one to maintain its monopoly."So, what does this all mean for Alphabet and its stock? In this article, three Motley Fool cont ...