Aetrium Inc., North St. Paul, received a letter from the listing qualifications department of the Nasdaq Stock Market dated Dec. 31 notifying Aetrium that it does not comply with Nasdaq's rule requiring companies to have a majority of independent directors as defined by the Nasdaq rules and requires a company's audit committee to have at least three independent directors. Aetrium expects to be able to fill the vacancy by its annual meeting in June and within Nasdaq's cure period.

CyberOptics Corp., Golden Valley, is reducing its financial guidance for the fourth quarter ended Dec. 31 to a net loss of approximately 32 to 34 cents per diluted share, before noncash impairment charges for goodwill and longlived assets, on sales of roughly $6.5 million. CyberOptics previously issued guidance for a net loss of 16 to 21 cents per diluted share on sales of $8.5 million to $9.5 million.


Allina Hospital and Clinics, Minneapolis, named Tomi Ryba president of United Hospital. She had been chief operating officer at the University of California, San Francisco, Medical Center.

Softbrands Inc., Minneapolis, appointed Chris Gribble vice president and general manager.

Southwest Casino Corp., Bloomington, announced that David Abramson has resigned as a director and chairman of the audit committee of the company.


Imation Corp., Oakdale, said its Memorex brand announced two new in-ear headphones: Memorex EB50 EarBuds and Memorex CB25 EarBuds, plus the 8GB Memorex TouchMP, its first touch-screen portable media player.