Also. . .

* Germany’s Hoechst agreed to sell its Trevira polyester unit for at least $2.7 billion to Koch Industries Inc., the second-largest privately held company in the U.S., and Grupo Xtra, a private company in Mexico. It did not release details of the sale.

* Republic Industries Inc. agreed to buy Driver’s Mart Worldwide Inc., a closely held franchiser of used-car superstores, for $40 million in cash, to accelerate the expansion of Republic’s AutoNation USA used-car mega-stores.