citigroup inc

Lehman Brothers Holdings Inc. is suing several units of Citigroup Inc. to recover $2.5 billion it transferred to a backup account at Citi months before seeking bankruptcy court protection.

Citigroup Inc.'s Chinese subsidiary is set to become the first U.S.-based bank to issue its own credit cards in China.

Gainers

• iShares MSCI South Korea Index (NYSE: EWY) up 3.75 percent to $49.20. Despite South Korea's current-account surplus contracting to $401.3 million, the Bank of Korea still sees the nation retaining a surplus over the next year as emerging markets will continue to buy from South Korea amid European woes.
• Financial Select Sector SPDR (NYSE: XLF) up 2.65 percent to $12.22.
  
  Citigroup, Inc.

Sept. 9 -- Richard Cookson, global chief investment officer at Citi Private Bank, a unit of Citigroup Inc., talks about his investment strategy for corporate debt and German equities.

Below are stocks making major moves in pre-open action Monday" HIGHER: Clearwire Corporation (Nasdaq: CLWR) 9% HIGHER; continues higher on speculation of Sprint (NYSE: S) bid. 99 Cents Only Stores (NYSE: NDN) 8% HIGHER; reports Apollo interested in bid.

Yingli Green Energy Holding Co. Ltd. (NYSE: YGE) 8% HIGHER; upgraded Alcoa, Inc. (NYSE: AA) 4% HIGHER; upgraded Under Armour, Inc.

(NYSE: UA) 3% HIGHER; upgraded Hewlett-Packard Company (NYSE: HPQ) 3% HIGHER; recovers after Friday's massive sell-off SLM Corporation (NYSE: SLM) 3% HIGHER; upgraded Citigroup, Inc.

Citigroup Inc. said Thursday that hackers accessed the credit card information of North American customers, in an online security breach affecting about 200,000 accounts.

Citigroup Inc. said Thursday that hackers accessed the credit card information of tens of thousands of its North American customers.

Citigroup Inc said computer hackers breached the bank's network and accessed the data of about 200,000 bank card holders in North America, the latest of a string of cyber attacks on high-profile companies.

Citigroup Inc. says it is planning to add about 500 new employees over the next few years as it looks to bolster its client services.

Citigroup Inc. is promoting John Havens to president and chief operating officer, the latest step in the bank's efforts to overhaul its structure.