Also. . .

* General Motors Corp. increased incentives on several cars and trucks, which an analyst said may indicate that its sales this month again are below expectations. GM added special financing of zero interest to 1% on several models, after earlier this week raising discounts on mid-size vehicles, including a $500 boost to $2,000 for the Chevrolet S-10 compact pickup and as much as $750 more to $2,000 for the Chevy Cavalier small car.