Google is expected to unveil its highly anticipated Nexus One smartphone today, marking a first foray into an increasingly crowded market that could shape the future of the company’s advertising business.
Gadget lovers around the world will focus on Google’s corporate headquarters in Mountain View, Calif., where the Internet search leader is expected to announce the phone. But the tech world’s fascination has not carried over to Wall Street, which is taking a wait-and-see view on Google’s first effort to sell a hardware product directly to consumers…