A version of this story appeared in CNN Business’ Nightcap newsletter. To get it in your inbox, sign up for free here . New York  —  Three prominent investors with almost nothing in common are dumping their shares of Nvidia, the computer chip juggernaut that went from relative obscurity to the world’s first $5 trillion valuation in just three years. It’s hard to overstate Nvidia’s superlatives. On its own it makes up 8% of the total value of the S&P 500. Its annual net income grew more than 580%