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Among the companies whose shares are expected to see active trading in Tuesday's session are Best Buy Inc., Carnival Corp. and Darden Restaurants Inc.

Actuant Corp. (ATU) is expected to report third-quarter earnings of 93 cents a share, according to a survey of analyst by Thomson Financial.

Best Buy (BBY) is expected to post earnings of 50 cents a share for the first quarter.

Carnival Corp. & Carnival Plc (CCL) is expected to report second-quarter earnings of 47 cents a share.

Clarcor Inc. (CLC) is expected to post earnings of 37 cents a share for the second quarter.

Darden Restaurants (DRI) is expected to report fourth-quarter earnings of 70 cents a share.

FactSet Research Systems Inc. (FDS) is expected to post earnings of 51 cents a share for the third quarter.

FSI International (FSII) is expected to report a third-quarter loss of 12 cents a share.

IHS Inc. (IHS) is expected to post earnings of 33 cents a share for the second quarter.

La-Z-Boy Inc. (LZB) is expected to report fourth-quarter earnings of 7 cents a share.

Progress Software Corp. (PRGS) is expected to post earnings of 41 cents a share for the second quarter.

After Monday's closing bell, Yahoo Inc. (YHOO) said Chief Executive Terry Semel is stepping down from the top job at the Internet portal giant. He will be replaced by company co-founder Jerry Yang, Yahoo said.

Also, Epix Pharmaceuticals Inc. (EPIX) shares soared more than 17 percent after the Food and Drug Administration declined to approve the company's experimental blood-pool imaging agent but indicated it may not need further clinical trials to be conducted.

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Abaxis Inc. (ABAX) said that Chief Operating Officer Robert Milder plans to retire, effective June 29. The Union City, Calif.-based medical products company said it has retained an executive search firm to help find a successor. In the meantime, all operating functions will be overseen by President and Chief Executive Clint Severson, the company said.

Ashworth Inc. (ASHW) swung to a second-quarter loss of $2.53 million, or 17 cents a share, from a year-earlier net income of $4.68 million, or 32 cents a share, as revenue fell more than 9 percent. The Carlsbad, Calif., sportswear company's revenue dropped to $59.9 million from $66 million in the year-ago period.

Celestica Inc. (CLS) said it has named Paul Nicoletti as chief financial officer, effective immediately. Nicoletti has been serving as acting CFO since March 28, 2007, when Tony Puppi retired, the Toronto-based provider of electronics manufacturing services said.

Electronic Arts Inc. (ERTS) said it plans to organize its business into four labels: EA Sports, EA Games, EA Casual Entertainment and The Sims. Each Label will operate with dedicated studio and publishing teams focused on consumer-driven priorities, the Redwood City, Calif.-based maker of interactive entertainment software said. The new structure is designed to streamline decision-making, improve global focus, and speed new ideas to the market, the company said. The transition will be implemented over the coming months, EA noted.

ESS Technology Inc. (ESST) said James B. Boyd, chief financial officer and senior vice president of finance and administration, resigned to become financial chief at Silicon Storage Technology Inc. (SSTI), effective June 20. ESS, a Fremont, Calif., semiconductor and software company, said Boyd will act as its interim chief financial officer until the filings for the June quarter have been made. The company said a search for Boyd's successor is underway and expects to find a successor by the time he resigns about August 14.

Hewlett-Packard Co.'s (HPQ) Hewlett-Packard GmbH unit filed a second lawsuit against Pelikan Hardcopy Deutschland GmbH, in which it alleges misleading advertising and unfair competition violations. Pelikan inkjet cartridges in packaging describing the products as "remanufactured" are allegedly new products, according to tests conducted by Hewlett-Packard. H-P said the first lawsuit, filed in May, alleges patent infringement and seeks to prevent Pelikan from selling color inkjet print cartridges.

Journal Register Co.'s (JRC) revenue from continuing operations in the four weeks ended June 3 fell 9.2 percent to $37.6 million, from $41.4 million for the four weeks ended May 28, 2006. Advertising revenue fell 11.5 percent to $29 million, from $32.8 million a year earlier. The Yardley, Pa., newspaper publishing company said the decline reflects a difficult advertising market "and the transitioning economies" of Michigan and Greater Cleveland.

Kellwood Co. (KWD) said it has agreed to acquire Royal Robbins Inc., a division of Phoenix Footwear Group Inc. (PXG) , for about $40 million. St. Louis-based Kellwood said it doesn't expect the acquisition to significantly impact its 2007 results. Royal Robbins, headquartered in Modesto, Calif., designs and markets active sportswear and travel apparel for men and women.

Leggett & Platt Inc. (LEG) cuts its second-quarter and 2007 financial forecasts. The Carthage, Mo.-based maker of engineered components and products lowered in second-quarter earnings outlook by 11 cents to a range of 31 cents to 36 cents a share, and said it now expects revenue of $1.3 billion, down from the $1.375 billion it previously predicted. Analysts polled by Thomson Financial are expecting, on average, a per-share profit of 39 cents on revenue of $1.37 billion. Leggett & Platt also cut its 2007 earnings forecast by 25 cents to a range of $1.35 to $1.55 a share, and cut its revenue outlook by $200 million to $5.2 billion. Analysts are looking for a per-share profit of $1.58 on revenue of $5.4 billion.

Microchip Technology Inc. (MCHP) cut its fiscal first-quarter forecast citing weakness in European sales and the U.S. consumer market. The Chandler, Ariz., company predicted earnings for the first quarter ending June 30 of 36 cents a share, or 39 cents a share excluding stock compensation expense, on sequential net sales growth of 2 percent. In April, the company forecast first-quarter earnings of 37 cents a share, on sequential sales growth of 5 percent from fiscal fourth-quarter revenue of $258.2 million. Wall Street expects first-quarter earnings of 37 cents a share, on revenue of $270.4 million, according to the average estimate of analysts polled by Thomson Financial.

Omnova Solutions Inc. (OMN) reported a second-quarter net loss $9.8 million, or 23 cents a share. During the same period a year ago, the Fairlawn, Ohio-based chemicals company posted net earnings of $5.3 million, or 13 cents a share. Revenue for the three months ended May 31 rose to $188 million from $177.8 million. Excluding debt redemption, restructuring and severance costs, earnings were $2.7 million, or 7 cents a share, the company said. Analysts polled by Thomson Financial had forecast, on average, a per-share profit of 8 cents for the quarter.

Progressive Corp. (PGR) said it's offering $1 billion of 6.7 percent fixed-to-floating rate junior subordinated debentures due 2067. Progressive is a Cleveland-based insurance holding company.

Sharper Image Corp. (SHRP) reported a first-quarter net loss of $16.8 million, or $1.12 a share, compared with a net loss of $12.7 million, or 85 cents a share, during the year-ago period. The San Francisco-based specialty retailer said that revenue for the three months ended April 30 fell to $67.6 million from $106.8 million. Analysts polled by Thomson Financial had forecast, on average, a per-share loss of 88 cents on revenue of $73 million for the quarter.

Silicon Storage Technology Inc. (SSTI) named James Boyd chief financial officer, effective Wednesday. Boyd was most recently CFO of ESS Technology. Sunnyvale, Calif.-based Silicon Storage is provider of flash memory semiconductor devices.

TD Ameritrade Holding Corp. (AMTD) reported 247,000 average client trades per day in May. The Omaha, Neb.-based online broker also reported a total of 6.3 million accounts. Average client margin balances in May were $7.4 billion, while client assets totaled $300 billion, TD Ameritrade said.

Standard & Poor's said it will add TTM Technologies Inc. (TTMI) and Tower Group Inc. (TWGP) to the S&P SmallCap 600 to replace Viasys Healthcare Inc. (VAS) and Biosite Inc. (BSTE) , respectively. S&P, a New York unit of McGraw-Hill Cos., said TTM will be added on Wednesday, and Tower will be added June 25.

Whole Foods Market Inc. (WFMI) said it has extended the expiration date for its tender offer to acquire shares Wild Oats Markets Inc. (OATS) until July 20. As of the close of business Friday, 57.9 percent of Wild Oats' shares have been tendered and not withdrawn, Whole Foods said. On Feb. 21, the Austin-based natural foods retailer agreed to acquire Wild Oats for $18.50 a share in a deal valued at $565 million. On June 7, the Federal Trade Commission filed suit to block the transaction. Whole Foods Market and Wild Oats consented to a temporary restraining order pending a hearing on the FTC request for a preliminary injunction. The hearing has been scheduled for July 31.