Kaiser Aluminum & Chemical Corp. of Oakland...

Kaiser Aluminum & Chemical Corp. of Oakland said its energy business to Presidio Oil Co. of Denver for an undisclosed amount of cash . . . American Home Products Corp. will merge two pharmaceutical divisions into Wyeth-Ayerst Laboratories . . . Carson Pirie Scott & Co. has agreed to pay $163.5 million for Allied Stores’ 15 Donaldsons department stores in Minnesota and Iowa . . . Lazard Freres & Co. is attempting to raise $2 billion for an investment fund that would rescue companies targeted for hostile takeovers by buying friendly minority interests in them.