Los Angeles-based Whittaker Corp. reported net income...

Los Angeles-based Whittaker Corp. reported net income fell 9.6% as sales rose 13.5% in the first quarter ended Jan. 31, 1987. Income from continuing operations dropped 56.5%. Whittaker attributed the decrease to interest costs from the financing of the company’s stock buyback program and acquisitions completed since the beginning of 1986. In addition, operating profit in the chemicals division was down, the company said.