Las Vegas-based Transitional Hospitals Corp. recommended shareholders tender their stock to Louisville, Ky.-based Vencor Inc. for $16 a share, as the operator of hospitals and nursing homes neared completion of its $639-million acquisition. . . . Eli Lilly & Co. has purchased the rights to use the antidepressant Prozac to treat premenstrual syndrome from Interneuron Pharmaceuticals Inc. for an undisclosed sum. The move puts Indianapolis-based Lilly a step closer to seeking approval to market the drug to treat PMS. . . . Tokyo prosecutors have indicted former Nomura Securities Co. President Hideo Sakamaki on charges he allegedly made illegal payoffs to a racketeer. . . . The Coffee, Sugar and Cocoa Exchange and the New York Cotton Exchange agreed to explore a possible merger in a move that appeared to end years of speculation over the future of the two exchanges. . . . AT&T; Corp. said it named its top lawyer, John Zeglis, to the additional post of vice chairman. Zeglis will continue in his duties as AT&T;'s general counsel.