TECHNOLOGY - Nov. 4, 1991

4 Silicon Valley Companies Announce Layoffs: Four Silicon Valley companies announced more than 400 domestic layoffs, the latest in a series of reductions in the computer and electronics industries. LSI Logic Corp., Santa Cruz Operation Inc., Next Computer Inc. and Grid Systems Corp. announced the layoffs Friday. Santa Cruz will lay off 156 people, about 12% of the work force. LSI Logic of Milpitas said it will cut 130 jobs, or 5%, of its domestic work force. The chip maker also said it will delay for one year the opening of a Japanese manufacturing plant scheduled to open in the first quarter of 1992.