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Facebook Inc. investors might finally be catching a break. The social networking titan's stock snapped three straight weeks of losses since going public May 18. The stock surged 6% on Friday -- above $30 a share -- and closed up nearly 11% for the week.

Facebook went public just about a month ago, and on Friday the Securities & Exchange Commission released its correspondence with the social network in the months between its initial filing and the May 18 IPO.

Proving that Facebook should never become a real country, a recent user vote on privacy changes resulted in ... hardly anyone voting. "Hardly anyone" meant 342,632 votes — a smidgen of a smidgen of the social network's 900 million-plus users worldwide.

Facebook went public last month on its prospects for growth. But in some areas, the social network's growth rates are already maturing. In particular, Facebook's user growth rate in the U.S. is slowing sharply. In April, U.S. unique visitors to the website increased to 158 million, up just 5% from a year earlier, according to research firm comScore Inc.

Stung by claims in recent weeks that its advertising doesn’t work, Facebook is pouring on the public relations to insist that in fact, ads work just fine on the site. But while some of the claims of critics rest on shaky evidence, many questions about Facebook’s value as an advertising medium remain among the brands that constitute the bulk of all advertising online and off.

UBS is sitting on losses that could be as high as $350 million stemming from its investment in the Facebook initial public offering, and is preparing legal action against Nasdaq as a result, people familiar with the matter told CNBC.

Nasdaq OMX Group Inc said it will offer cash and rebates totaling $40 million to compensate clients affected by the problems with Facebook Inc's initial public offering.

Airtime, Sean Parker's new social video chatting service for Facebook, launched today with an event that totally unraveled into a complete fiasco. But what might rankle more than a rocky launch is the revelation Airtime will take “snapshots of users periodically to ensure site safety,” according to an Airtime spokesperson quoted in Forbes.

Facebook’s post-IPO performance has been poor. But is it so poor that it will hurt the prospects for other startups? The short answer: Almost certainly.