Also

* Alberto-Culver Co. agreed to buy Santa Barbara-based shampoo maker Nexxus Products Co. Terms were not disclosed. Nexxus had net sales of about $40 million in 2004, Alberto-Culver said.

* Bristol-Myers Squibb Co. revised its first-quarter net earnings downward 5 cents a share to 27 cents as it increased its legal reserves. No reason was given for the increase in the reserve.

* General Motors Corp. and DaimlerChrysler said they were close to signing a formal agreement to cooperate on a gasoline-electric hybrid vehicle engine.