Amazon CEO Jeff Bezos has lost a stunning $42billion since early September, according to the Bloomberg Billionaires Index, as the e-commerce giant's stock has dropped more than 25 percent.
Embattled Facebook CEO Mark Zuckerberg has also taken a beating as reports indicate he's lost some $34billion since late July and is now worth $52billion - ranking as the seventh-richest person in the world.
Google chiefs Larry Page and Sergey Brin have lost a combined $20billion from their peak wealth in July as the search engine's stock has dropped 20 percent and closed in a bear market on Monday for the first time since 2011.
The Dow closed Tuesday at 24,465, 551.8 points down from Monday after struggling all day. All of its 2018 gains have now been wiped out.
The world's weathiest tech executives have taken a beating in recent months, the Bloomberg Billionaires Index revealed just as the stock market plummeted on Tuesday. Amazon CEO Jeff Bezos (top left) has lost $42million since September, Facebook founder Mark Zuckerberg (top right) has lost $34million since July, Microsoft co-founder Bill Gates (bottom left) has lost $5million since last month and Warren Buffett (bottom right) has lost $4million since February.