Shares of Las Vegas-based

Pinnacle Entertainment

(PNK) - Get Report

fell after the casino operator said its public offering of 6 million new shares was priced at $27.35 a share, which will result in gross proceeds of $164.1 million. Pinnacle was down 63 cents, or 2.3%, at $26.88.

American Superconductor

(AMSC) - Get Report

rose after the Westborough, Mass., company was chosen to be part of a

Northrop Grumman

(NOC) - Get Report

team selected by the Navy to work on the design of a high-temperature superconductor. American Superconductor rose 12 cents, or 1.3%, to $9.38 in recent trading.

Shares of

Insteel Industries

(IIIN) - Get Report

jumped almost 8% after the Mount Airy, N.C., wire-fabric maker said it would repurchase up to $15 million of its stock during the next year.

The company also said it amended its existing revolving credit facility, increasing the commitment amount to $100 million from $75 million and extending the maturity date by two years to June 2010. Insteel Industries rose $1.43 to $19.56 recently.

Bookham

( BKHM) dropped after the San Jose, Calif., optical components maker said it was conducting a series of transactions that will retire $45.9 million of secured notes and $19.4 million of convertible debentures.

The company also said it signed an agreement with

Nortel Networks

( NT) to amend and extend the current supply agreement through 2006. Bookham fell 45 cents, or 7%, to $6 in recent trading.

Shares of

Bebe Stores

(BEBE)

rose after the Brisbane, Calif., women's apparel designer was upgraded from to outperform from market-perform by Morgan Keegan. Bebe Stores rose $1.74, or 12.1%, to $16.15 in recent trading.