Also

* Tyco International Ltd.’s Nellcor unit must face an antitrust suit brought by Masimo Corp. over a claim that it unfairly tried to exclude rivals from the market for machines that measure oxygen levels in blood, U.S. District Judge Mariana Pfaelzer ruled in Los Angeles.

* Best Buy Co. posted a fiscal first-quarter profit of $114 million after it reduced costs and sold more notebook computers and thin-screen televisions. Net income of 34 cents a share contrasted with a net loss of $25 million, or 8 cents, a year earlier.

* A federal appeals court upheld Arthur Andersen’s criminal conviction for obstructing the government’s investigation of the collapse of Enron Corp., a court clerk said. The 5th U.S. Circuit Court of Appeals rebuffed Andersen’s attempts to have the obstruction conviction and a $500,000 fine thrown out.

* Sprint Corp. said it would cut as many as 1,100 jobs because of a decline in calling prices. Half the cuts will be at Sprint’s headquarters in Kansas, with the rest at sites across the U.S.

* Meyers Group, a Costa Mesa housing industry research and advisory firm, was acquired by Hanley Wood, a Washington, D.C., media company that specializes in housing. Terms weren’t disclosed.

* Cal Spas said it planned to expand its Pomona factory, eventually doubling its current 600-person workforce. The Pomona-based company, which makes hot tubs, saunas and billiard tables, plans to break ground on the new facilities today.

* Jones Apparel Group Inc., which began a hostile bid for Maxwell Shoe Co. in March, is in talks to buy the company for $366 million, a 3.4% increase over its earlier offer.