Also. . .

* Sunbeam Corp. Chief Executive Al Dunlap will unveil his cost-cutting plan for three acquired companies at an analysts’ meeting Monday. Dunlap, trying to duplicate his slashing of Sunbeam’s costs two years ago, is expected to fire 30%, or more, of the 9,100 employees at Coleman Co., Signature Brands USA Inc. and First Alert Inc., as well as shutter a similar percentage of their 21 factories.

* Chase Manhattan Corp. agreed to buy Morgan Stanley, Dean Witter, Discover & Co.’s custody unit to help boost profit in the low-margin business of processing trades and keeping track of investors’ holdings. Chase, the nation’s largest bank, paid about $600 million for the unit, said people familiar with the sale.

* Swedish auto maker Volvo said it will buy 90% of Samsung Heavy Industries Co.’s construction arm for $572 million. The purchase from South Korean conglomerate Samsung Group makes Volvo the world’s third-largest maker of construction equipment, after Komatsu Ltd. of Japan and Caterpillar Inc. in the U.S.

* Avon Products Inc. said Charles Perrin will become chief executive and Andrea Jung chief operating officer in July.