GOLDMAN SACHS

A day before Facebook (Nasdaq: FB), the No. 1 social network holds its initial public offering, its 33 underwriters boosted the number of shares for sale by 25 percent, potentially valuing the deal as high as $19 billion.

Facebook (Nasdaq: FB), the No. 1 social network, has decided to pitch its initial public offering of 421 million shares at $38, which could raise as much as $18.1 billion, assuming ?over-allotment options.

Surging demand for shares of Facebook (Nasdaq: FB), the No. 1 social network, prompted the company to again boost the number of share for sale in its initial public offering.

Facebook Inc will increase the size of its initial public offering by 25 percent to raise about $15 billion, a source familiar with the matter said, as strong investor demand for a share of the No.1 social network trumped ongoing debate about the company's long-term potential to make money.

Facebook (Nasdaq: FB), the No. 1 social network, announced that it would increase the number of shares in its initial public offering, price them higher and value the company at as much as $104 billion.

Facebook will close the books on its $10.6 billion initial public offering on Tuesday, two days ahead of schedule and a signal that Silicon Valley's largest IPO is drumming up strong demand.

Congratulations, the good guys finally won. You and your team, with help from other institutions, have ousted CEO Scott Thompson, elected three Third Point nominees to the board, removed another handful of management nominees and effectively control the company. Now what?

Facing a dropoff in cash in recent months, Chesapeake Energy, the second-largest producer of natural gas in the United States, announced last week it got a $3 billion loan from Goldman Sachs, bringing the company's debt to a new record.

Shareholder activist Carl Icahn is expected to disclose his acquisition of a significant piece of Oklahoma City-based natural gas company Chesapeake Energy Corp. (NYSE: CHK), which has seen shares tumble amid a federal inquiry, a securities class-action suit and near-record-low natural gas prices. Both parties have yet to publicly confirm the deal.

U.S. stock index futures pointed to a lower open on Wall Street on Monday, with S&P 500 futures down 1 percent and contracts for the Dow Jones and Nasdaq 100 down 0.9 percent.

The companies whose shares are moving in pre-market trade Monday are: Acadia Pharmaceuticals, Avon Products, Chesapeake Energy Corp, Micron Technology, Ancestry.com, Herbalife Ltd, Schlumberger, Symantec Corp, JPMorgan Chase and Alcoa Inc.

For months, Yahoo has been in crisis. Market share fell. CEO Carol Bartz was fired. A Chinese tycoon said he?d buy the company.

Since hitting 52-week lows last October, U.S. financial-sector stocks have staged a strong comeback -- rising some 34 percent. Despite this uptick, they still look like bargains, at first blush.

In a video posted online on May 7, members of Anonymous, a hacktivist collective known for fighting against censorship and human rights abuse, endorse Black Bloc, a riot tactic in which protesters covering their faces in black create and inspire anarchy through violent destruction of property.

Following Thursday's financial earthquake at JPMorgan Chase & Co., fingers are pointing to Bruno Michel Iksil, who recently boasted that he could walk on water -- suggesting the French trader's ego is as outsized as the nemesis in Melville's novel from which his nickname the White Whale originates. Whether or not Iksil's reputation will go from fearsome whale to Jonah after he's blamed for the storm and tossed overboard is not yet known.

Stock index futures fell sharply on Thursday evening as JPMorgan Chase & Co stunned investors with news that its chief investment office had incurred significant mark-to-market losses that it said could easily get worse.

Facebook (Nasdaq: FB), the No. 1 social network, is facing a probe into its acquisition of Instagram that could delay its $100 billion initial public offering.

Gold steadied in Europe on Thursday after falling to a four-month low in the previous session, as an uptick in the euro after Spain moved to clean up its banks and Europe's bailout fund approved a key payment to Greece took some pressure off prices.

GlaxoSmithKline Plc (NYSE: GSK) will begin a $2.6 billion hostile takeover bid for Human Genome Sciences (NASDAQ: HGSI), the company announced Wednesday.

Shares of Yahoo (Nasdaq: YHOO), the No. 3 search engine rose slightly after dissident investor Third Point Capital demanded access to confidential data.

Shares of Yahoo (Nasdaq: YHOO), the No. 3 search engine rose after the company said it was reviewing challenged backgrounds of top executives.