Also

* Union members overwhelmingly rejected a preliminary contract offer covering about half of Walt Disney World’s more than 50,000 employees in Orlando, Fla. The final vote was 4,122-15 against the offer dealing with noneconomic issues. The previous contract expired in May but had been extended.

* Halliburton Co. and several top executives intentionally engaged in “serial accounting fraud” from 1998 to 2001, including when it was led by Vice President Dick Cheney, according to a new filing in a shareholder class-action lawsuit.

* Shares of Belo Corp. declined 7% as the company said it would compensate advertisers who overpaid because of overstated circulation figures at its flagship newspaper, the Dallas Morning News.

* Tenet Healthcare Corp., the hospital chain being probed by three U.S. agencies, said it received a request from U.S. prosecutors in St. Louis for documents on doctor relocation agreements with hospitals in the area.

* Charles Schwab Corp. disclosed that it would fire 400 to 600 employees by year-end to combat falling trading revenue.

* Dreyer’s Grand Ice Cream Holdings Inc. posted a second-quarter loss of $88.36 million, or 94 cents a share. It lost $47.2 million, or 72 cents, a year earlier.