Whittaker Corp., Los Angeles, said it expects...

Whittaker Corp., Los Angeles, said it expects to report earnings of about $1 a share, up from 37 cents reported a year earlier . . . Victor Zaccaglin, chairman and chief executive of Los Angeles-based Calprop Corp., and his wife, Hannah, have boosted their stake in the company to 35.2%, or about 1.4 million shares, according to an SEC filing . . . Fremont, Calif.-based Worlds of Wonder Inc. announced that the company’s common stock has been delisted from the NASDAQ system . . . The Investment Co. Institute reported that the assets of the nation’s 425 money market mutual funds increased $3.70 billion to $274.12 billion for the week ended May 18 . . . Chrysler said it began installing driver’s-side air bags on six models after May 1, becoming the first U.S. auto maker to make air bags standard equipment on some models.