Ford said it expects to raise 1987...

Ford said it expects to raise 1987 vehicle prices about 2.5%, based on an equal increase in the consumer price index . . . Mexico, for the fourth straight season, has produced a record amount of sugar, enabling producers to begin selling some of the 3.7-million-ton harvest to foreign buyers . . . Knudsen, the Los Angeles-based dairy, said its lenders extended its credit agreement through mid-September . . . Illinois Central Gulf Railroad sold its 305-mile western Kentucky rail line to the newly formed CG&T; Industries for $70 million . . . San Jose-based Convergent completed its purchase of the Digital Systems division and Open Systems subsidiary of Uccel Corp. for about $28 million in cash . . . NEC Electronics has been granted a partial summary judgment in its trademark infringement suit against Cal Circuit Abco, a distributor of electronic components.