Stocks closed out an ugly week. Despite initial euphoria surrounding Facebook's public debut, the social network's shares barely popped above its offering price and failed to inspire investors to buy into the broader market.

Facebook's stock market debut finally came and went -- but for all the breathless hype, shares ended right near their offering price.

Social media stocks just aren't feeling the love, despite Facebook's highly-anticipated stock market debut.

Facebook is finally trading. And even though the stock didn't explode out of the gate, the company is still worth more than $100 billion. It shouldn't be.

Whether you do or don't like Facebook, you may already own a piece of the social media site: over the past year, nearly 70 mutual funds have snapped up pre-IPO shares on private markets.

There are plenty of reasons to "like" Facebook, but Internet IPOs are better known for their epic flops than wild successes.

European markets were mixed Friday as investors remained anxious about Spanish and Greek banks, while Asian stocks sold off sharply amid worries of a further slowdown in China.

U.S. stocks were poised for a higher open Friday as investor excitement over the Facebook initial public offering countered continued worries about the European sovereign debt crisis.

Chainsaw Meg: HP to cut 25,000 jobs. Also: Is Facebook the next Blackstone?

The U.S. Commerce Department announced stiff tariffs on Chinese-made solar panels Thursday, a move critics said could raise costs for consumers and further inflame trade tensions with Beijing.

The most hyped IPO of the year is here, but you won't be able to trade Facebook's stock right when the market opens at 9:30 on Friday.

Rating agency Moody's downgraded 16 Spanish banks on Thursday, the latest sign of distress in Europe.

Despite the recent fall in oil prices, analysts say President Obama may tap the Strategic Petroleum Reserve as sanctions on Iran take hold.

Investors fled stocks and made a rush toward the safety of U.S. Treasuries Thursday, sending 10-year yield to a record low close, as worries about Greece's future in the eurozone continued to escalate.

Facebook. Facebook. Facebook. Facebook.

With seemingly unceasing demand for Facebook's initial public offering, the banks that are in charge of selling the stock to investors might seem to have the easiest job in the world.

U.S. stock futures hovered around breakeven Thursday morning, as investors mull worries about Greece ahead of the final pricing for Facebook's initial public offering.

Coty's next move: Is an IPO on tap? Also: Pinterest raises $100 million. And Yahoo mulls Alibaba plan.

With apologies to John Lennon: Imagine a eurozone without Greece. It's easy if you try.

Noted short-seller David Einhorn targeted Amazon and Martin Marietta Materials on Wednesday but was curiously silent on Herbalife.