Encino-based Nu-Med said it expects lower earnings...

Encino-based Nu-Med said it expects lower earnings for its fiscal first and second quarters but improved net income for the year ending April 30, 1986. For fiscal 1985, it had profits of $7.47 million . . . Texas Instruments said it bought a 10% equity interest in Carnegie Group, a private firm specializing in artificial intelligence software . . . United Airlines said it will delay most changes in its fare structure for one week “for competitive reasons” . . . Chrysler completed its previously announced acquisition of Gulfstream Aerospace for $637 million.