Among the companies whose shares are expected to see active trading in Monday's session are Campbell Soup Co., Lowe's Cos., and Saks Inc.

American Science and Engineering Inc. (ASEI) is expected to report fourth-quarter earnings of 80 cents a share, according to a survey of analysts by Thomson Financial.

Campbell Soup (CPB) is expected to post earnings of 41 cents a share for the third quarter.

Lowe's (LOW) is expected to report first-quarter earnings of 49 cents a share.

NetEase.com Inc. (NTES) is expected to post earnings of 27 cents a share for the first quarter.

Pacific Sunwear of California Inc. (PSUN) is expected to report a first-quarter loss of 4 cents a share.

Perry Ellis International Inc. (PERY) is expected to post earnings of 60 cents a share for the first quarter.

Retalix Ltd. (RTLX) is expected to post a first-quarter loss of a penny a share.

Saks (SKS) is expected to report first-quarter earnings of 16 cents a share.

StealthGas Inc. (GASS) is expected to post earnings of 41 cents a share for the first quarter.

The9 Ltd. (NCTY) is expected to report first-quarter earnings of 32 cents a share.

Watch list

Berkshire Hathaway Inc. (BRK.A) (BRK.B) said it has agreed to acquire jewelry manufacturers Bel-Oro International and Aurafin LLC. Financial terms of the deal, which is expected to close during the second or third quarter of 2007, were not disclosed. The two companies will be combined into the newly formed Richline Group and will continue to market under multiple brands. Dennis Ulrich, currently the president of Bel-Oro, will become chief executive of the new group. Berkshire Hathaway is based in Omaha, Neb.

The Ontario Securities Commission accepted a new settlement agreement with Eugene Melnyk, founder and chairman of Toronto pharmaceutical company Biovail Corp. (BVF).

Constellation Energy Group (CEG) said that Chief Financial Officer E. Follin Smith has stepped down to spend more time with her family. The Baltimore-based utility said it has named John Collins, who currently serves as chief risk officer, as CFO, effective immediately. Smith will continue to serve the company in a consulting capacity through February 2008, the company said.

J.C. Penney Co.'s (JCP) shareholders rejected a proposal to amend the company's vote standard in board elections. The Plano, Texas, retailer said holders did approve a proposal regarding certain severance agreements with senior executives during the company's annual meeting.

NuStar Energy L.P. (NS) said it has filed a shelf registration statement with the Securities and Exchange Commission that will allow the company to offer up to $3 billion of various types of securities. San Antonio-based NuStar is an oil and gas transportation and storage limited partnership.

Scottish Re Group Ltd. (SCT) said it has initiated a search for a replacement for Chief Executive Paul Goldean. The Bermuda-based reinsurer said Goldean will assume the role of chief administration officer after transitioning his duties to the incoming chief executive.

Sigma Designs Inc. (SIGM) said that Chief Financial Officer Mark Kent has resigned his position to pursue another opportunity. Kent will provide the necessary transitional support until a new CFO has been named, said the Milpitas, Calif.-based maker of silicon-based media processors and wireless chipsets.

Copyright 2007 MarketWatch, Inc.