Nvidia CEO Jensen Huang, 62, has reached the same amount of wealth as Warren Buffett. Huang and Buffett have been ping-ponging back and forth for the No. 9 and No. 10 richest people spots with around $143 billion to $144 billion in wealth each, according to Bloomberg's Billionaires Index.

The chief executive of the world’s leading chipmaker warned that while artificial intelligence will significantly boost workplace productivity, it could lead to job loss if industries lack innovation.