Harley-Davidson (NYSE: HOG) returned to profitability in the second quarter as motorcycle revenue more than doubled from last year, but the market is worried inflation, higher raw materials costs, and lingering global supply chain issues will hamper the motorcycle maker's continued growth. Bike buyers are back Harley reported consolidated revenue rose 77% to $1.5 billion, generating net income of $206 million, or $1.33 per share. It has its own dedicated showrooms and virtual headquarter hubs in Silicon Valley and Milwaukee, and it just released the latest model, the LiveWire One, that is more affordably priced than the original.