Menlo Park, Calif. -- Shares of Menlo Park-based Facebook fell nearly 12% on Friday after the social networking giant reported lackluster financial results for the second quarter. The company reported a net loss of $157 million on revenue of $1.18 billion. Without one-time expenses related to the company's IPO, however, net income would have been $295 million. Monthly users of the services were 955 million, up 29% from the previous year. Still, the numbers weren't enough to impress investors. Shares closed on Friday at $23.70. The company's initial public offering (IPO) priced at $38.