UBS Investment Bank, Wachovia Securities and Credit Suisse Group were the lead underwriters on the deal.

The stock ended the week at $22.65, up 7% from the offering price.

Cardica, Inc. (CRDC: chart) priced the initial public offering of 3.5 million shares of its common stock at $10 per share on Thursday, at the low end of a forecast of $10 - $12. On February 1st the company cut its earlier range of $12 - $14 per share.

All of the shares is being offered by the company. The deal was worth $35 million.

In addition, Cardica granted the underwriters a 30-day option to purchase up to 525,000 additional shares to cover over- allotments.

A.G. Edwards is the lead manager, with Allen & Company acting as a co-lead manager and Montgomery as a co-manager.

Cardica designs and manufactures proprietary automated anastomotic systems used by surgeons to perform coronary artery bypass graft surgery.

The stock ended the week at $10.35, or up 3% from the offering price.

Managed healthcare company HealthSpring, Inc. (HS: chart) offered 18.8 million shares at $19.50 per share in an initial public offering.

Goldman Sachs, Citigroup and UBS Investment Bank were lead managers on the offering.

In addition, the underwriters have a 30-day option to sell 2.82 million additional shares to cover over-allotments.

The stock closed at $21.98, up 15% from the offering price.

Shares of Digital Music Group Inc. (DMGI: chart) slid as much as 14.3% in their Nasdaq debut on Thursday.

The shares were trading at $8.89 a day after pricing at $9.75, within their revised forecast of $9 - $11. The 3.9 million share offer was worth $38 million. The company raised its price forecast from an earlier range of $8 to $10 on January 19th.

All of the shares of common stock are being offered by the company.

In addition, Digital Music Group has granted the underwriters a 45-day over-allotment option to purchase up to 585,000 additional shares.

The lead underwriters on the deal were I-Bankers Securities and FTN Midwest Securities.

The Sacramento, California-based company acquires the rights to out-of-print recordings, digitizes them and sells them online through music Web sites, including the iTunes store of Apple Computer Inc. (AAPL: chart).

The stock ended the week at $9.64, or up 7% from the offering price.