BILLIONAIRE ELON MUSK has sparked controversy after making a gesture at an event celebrating US President Donald Trump’s inauguration that some have labelled a “Nazi” or “fascist” movement. The X, SpaceX and Tesla chief appeared on stage at the Capital One Arena in Washington, where supporters of the newly inaugurated president had gathered for a rally. Upon thanking the crowd for returning the 78-year-old Republican to the White House, Musk tapped the left side of his chest with his right hand and then extended his arm with his palm open, repeating the gesture for the crowd seated behind him. Elon...