The billionaire founders of Facebook Inc ., Inc ., Netflix Inc. and Google owner Alphabet Inc. learnt $7.6 billion wiped from their fates Wednesday as the Nasdaq 100 suffered its worst plummet in three months.

Facebook’s Mark Zuckerberg fell the most, falling $2.9 billion on the Bloomberg Billionaires Index, while Jeff Bezos‘s short-lived reign as the $100 billion humankind purposed after a tumble in Inc. shares knocked $2.5 billion off his net worth.

Alphabet’s Sergey Brin and Larry Page fell nearly$ 1 billion each, while Netflix’s Reed Hastings shed $133 million.

The decline in the so-called FANG stocks came as traders flocked to firms recognized advantaging more from a potential reduction in the corporate-tax rate. Technology inventories enjoy an 18.5 percent effective-tax rate — the third-lowest among U.S. big caps, according to S& P Global data — which means less potential bounty should the Republican legislation move through Congress.