The worlds 5 richest tech tycoons — including Elon Musk, Jeff Bezos, and Bill Gates — have already lost about $85 billion this year amid a brutal market selloff

Elon Musk, the world's richest person, is worth an estimated $243 billion, down from more than $300 billion in November.

The worlds top 5 tech tycoons — including Elon Musk, Jeff Bezos, and Bill Gates — have already lost about $85 billion this year after a brutal market selloff

Elon Musk — the world's richest man — has lost $27 billion year-to-date, and is now worth $243 billion after hitting a high in November of more than $300 billion.