China still lead buyer of U.S. securities

Global demand for U.S. securities is still strong, with China remaining the largest foreign holder of U.S. debt, according to the Treasury Department's latest report on foreign holdings.

The U.S. government's top international creditor continued to add to its holdings, albeit modestly, according to the July Treasury International Capital report, which measures the flow of funds into and out of U.S. securities, including Treasuries, agency-backed securities, corporate debt and stocks, MORE

Facebook stock surges as Zuckerberg remains optimistic

Facebook's stock rallied almost 8% and closed at a 1-month high Wednesday, a day after CEO Mark Zuckerberg took an upbeat tone during his first public appearance since the company's botched stock market debut in May.

"I am really optimistic about our mobile monetization strategy," Zuckerberg said during an interview with TechCrunch founder Michael Arrington at the tech blog's Disrupt conference in San Francisco Tuesday.

The CEO cited the social media platform's high volume MORE

Knight Capital 'likes' Nasdaq's Facebook plan

Knight Capital, once one of the fiercest critics of Nasdaq's Facebook compensation plan, has done a 180-degree turn.

"We support Nasdaq's efforts to reimburse its member firms for losses caused by Nasdaq's actions and decisions during the first day of trading in FB," Leonard Amoruso, Knight's general counsel, wrote in a letter to the SEC  late Wednesday.

No one expected Facebook (FB) to debut at the opening bell on May 18, but MORE

Nasdaq can't shake Facebook troubles

Nasdaq can't seem to put the Facebook IPO debacle behind it.

Shortly after the botched IPO, Nasdaq proposed a $40 million settlement to compensate brokers who were affected by trading glitches on Facebook's opening day (May 18).

Nasdaq (NDAQ) upped that figure to $62 million in mid-July, and Nasdaq CEO Bob Greifeld called it "definitive" during a July 25 conference call with analysts.

Citigroup (C) and UBS (UBS) have come out swinging. In MORE

Knight Capital surges 60% as trades return

Knight Capital Group's stock rallied nearly 60% Friday afternoon, after online brokerage firms TD Ameritrade (AMTD) and Scottrade said they'd resumed routing trades through Knight's system.

TD Ameritrade CEO Fred Tomczyk said the decision to resume trading came after "considerable review and discussion," adding that Knight has "long been a good and trusted partner."

Knight (KCG) was behind a series of bizarre moves in otherwise thinly traded stocks early Wednesday. For 45 MORE

Treasury to sell more AIG shares

American International Group (AIG) said it will buy back up to $3 billion of its stock from the U.S. Treasury Friday as part of the government's offering of $4.5 billion of the insurer's shares on the open market.

The stock sale will move the U.S. government closer to a point where it would own just half of the insurer's shares outstanding. The Treasury Department currently holds a 61% stake in the MORE

Facebook has no friends: Stock slides below $20

Facebook is not very popular among investors these days. Shares of the social media giant hit a new low of just $19.82 Thursday, nearly 50% below their initial offering price.

The stock has been under pressure since last week, when Facebook (FB) reported its first earnings as a public company, and failed to relieve investor worries about slowing sales growth and its plan for mobile advertising.

As Facebook's stock continues to bleed, MORE

Knight's costly trading glitch: $440 million

Knight Capital Group (KCG) said Thursday that it will face a $440 million loss for causing a glitch that affected trading activity in nearly 150 NYSE-listed stocks.

Knight said in a statement that it has closed out of all its positions related to the erroneous orders and removed the software that caused the problems from it systems.

Shares of Knight, which fell 33% Wednesday, plunged as much as 54% in early trading MORE

UBS lost $356 million on Facebook, suing Nasdaq for it

UBS said Tuesday that it lost $356 million on Facebook's IPO due to Nasdaq's trading glitches during the company's market debut in May -- and it plans to sue the stock exchange for every cent of it.

"UBS's loss resulted from NASDAQ's multiple failures to carry out its obligations, including both opening the Facebook (FB) stock for trading and not halting trading in the stock during the day," said UBS in MORE

Nasdaq CEO on $62 million Facebook payout: This is it

Nasdaq is hopeful that its most recent compensation plan will satisfy the trading firms that incurred losses during Facebook's botched debut May.

During the company's earnings conference call with analysts Wednesday, Nasdaq CEO Robert Greifeld said its plan is "definitive" and said there haven't been any negative comments about it since Nasdaq boosted the size of the compensation fund to $62 million last week.

"I would definitely highlight the absence of negative comments MORE