AI's time machine: How Cisco, Intel, and Corning are reviving fears of the tech crash

More than 25 years after the dot-com crash wiped out trillions of dollars in market value, some of the same companies that once symbolised the excesses of the internet boom are once again at the centre of Wall Street's hottest rally. Cisco Systems, Intel and Corning — three companies whose meteoric rise and collapse came to define the technology bubble of 2000 — are now staging dramatic comebacks powered by investor enthusiasm around artificial intelligence.