Cisco Systems to lay off more than 4,000 workers in latest sign of tighter times in tech

Internet networking pioneer Cisco Systems, based in San Jose, is jettisoning more than 4,000 employees, joining the parade of technology companies in a trend that has helped boost their profits and stock prices while providing a sobering reminder of the job insecurity hanging over an industry increasingly embracing artificial intelligence. The mass layoffs announced Wednesday in conjunction with Cisco?s latest quarterly results represent about 5% of its worldwide workforce of 84,900.