Nvidia could be worth $6 trillion if it follows Cisco's dot-com trajectory, says Jeremy Siegel

Nvidia stock could triple if it follows Cisco's path during the dot-com bubble, Jeremy Siegel said.The chipmaker could be worth more than $6 trillion and blow away Apple and Microsoft,  he said.The Wharton finance professor said speculation is less extreme now than during the internet boom. NEW LOOK Sign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Read preview Thanks for signing up! Access your favorite topics in a personalized feed whil ...