Intermark Inc., which holds a 43.4% stake in Fort Worth-based Pier 1 Imports Inc., said it intends to seek majority control of Pier 1's outstanding stock . . . Waste Management Inc. of Oak Brook, Ill., said it is willing to increase its offer to buy Columbus, Ohio-based Chemlawn Corp. to $33 a share from $27 . . . California State Bank, Covina, announced that negotiations for the acquisition of Pasadena First National Bank have been terminated . . . A definitive agreement has been signed, calling for Provident Life & Accident Insurance of Chattanooga, Tenn., to acquire a Los Angeles-based company, Transamerica Occidental Life Insurance Co. . . . United Steelworkers members at Allegheny Ludlum Corp. approved a three-year contract, calling for cash bonuses to more than 3,000 hourly employees . . . The Investment Company Institute reported that the assets of the nation's 379 money market mutual funds rose $43.4 million in the week ended March 18 . . . London-based Rank Xerox, which is 51% owned by Xerox Corp., said it is selling operations in South Africa because of "our concern over the social and political situation" there.