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)