Nvidia CEO Jensen Huang is no longer one of the world’s 10 richest people.

Huang’s net worth has been sliding in lockstep with Nvidia’s share price in recent weeks, but revelations that he may have been targeted by a “foreign intelligence effort” in recent days pushed the stock even lower.

Nvidia stock fell as much as 9% on Monday, before paring the loss to end 4.3% lower at $178.67 per share. At the same time, Huang’s net worth dropped $6.5 billion to $148 billion, according to the Bloomberg Billionaires Index.

The index ranked Huang as the world’s 12th wealthiest person after markets closed on Monday — one spot below Rob Walton, the former Walmart chair.

Huang was 10th when markets closed on…