Asia Tech Wire (Sep 4) -- Nvidia CEO Jensen Huang has seen his fortune take its biggest ever haircut following a plunge in the chip sector and reports that the U.S. Department of Justice has issued a subpoena to Nvidia.

Huang's net worth plunged about $10 billion to $94.9 billion on Tuesday, according to the latest Bloomberg Billionaires Index.

The shrinkage was the largest in a single day since the Bloomberg Billionaires Index began tracking his wealth in 2016, Bloomberg said.