Seven U.S.-listed initial public offerings priced this week and raised $2.95 billion in the busiest week for U.S. IPOs since December 2007.

Two IPOs rose in their first day of trade, two were flat and three fell. Below are the details of each IPO, with their first day performance.

 SHANDA GAMES LTD: 

 Proceeds: $1.04 billion

 Lead managers: Goldman Sachs (Asia), JP Morgan

 Ticker/Exchange: GAME on Nasdaq

 Company: Gaming unit of Chinese media co Shanda Interactive Entertainment Ltd 

 First day performance: down 14 percent

 ARTIO GLOBAL INVESTORS INC: 

 Proceeds: $650 million

 Lead manager: Goldman Sachs

 Ticker/Exchange: ART on NYSE

 Company: U.S. asset management arm of Julius Baer

 First day performance: up 4.8 percent

 A123 SYSTEMS INC:

 Raised: $379.4 million

 Lead managers: Morgan Stanley, Goldman Sachs

 Ticker/Exchange: AONE on Nasdaq

 Company: Designs, develops, manufactures and sells lithium-ion batteries and battery systems used by carmakers

 First day performance: up 50.3 percent

 SELECT MEDICAL HOLDINGS CORP:SLC.N 

 Proceeds: $300 million

 Lead managers: Goldman Sachs, Morgan Stanley, Bank of America Merrill Lynch, JP Morgan.

 Ticker/Exchange: SEM on NYSE

 Company: hospital operator

 First day: up 0.9 percent

 COLONY FINANCIAL INC: 

 Proceeds: $250 million

 Lead managers: Bank of America Merrill Lynch, Goldman Sachs, Morgan Stanley and UBS Investment Bank

 Ticker/Exchange: CLNY on the New York Stock Exchange

 Company: mortgage REIT.

 First day performance: down 2.5 percent

 APOLLO COMMERCIAL REAL ESTATE FINANCE: 

 Raised: $200 million

 Lead managers: JP Morgan, Citi, Barclays Capital

 Ticker/Exchange: ARI on NYSE

 Company: mortgage REIT

 First day performance: down 7.5 percent

 VITACOST.COM INC : 

 Raised: $132 mln (11 mln shares, $12)

 Lead managers: Jefferies & Co and Oppenheimer & Co

 Ticker/Exchange: VITC on Nasdaq

 Company: online retailer and direct marketer of dietary supplements

 First day performance: up 0.42 percent

(Writing by Phil Wahba; Editing by Ted Kerr)