Arista Networks' CEO, Jayshree Ullal, sees her wealth soar to $6.4 billion as the tech company's stock doubles.

The CEO of Arista Networks, Jayshree Ullal, has become one of the world's richest women, with a $6.4 billion fortune, as the company’s shares more than doubled since April. This surge also lifted co-founder and CTO Ken Duda's wealth to $1.2 billion. Arista's recent earnings beat expectations, and it raised its revenue growth forecast. Ullal owns a 3% stake in the company through family trusts.