Nvidia halts H20 chip production as China clamps down on orders, citing alleged security risks admin 3 hours ago USA Update Comments Off on Nvidia halts H20 chip production as China clamps down on orders, citing alleged security risks 0 Views Nvidia shares slipped 1.1% in early trading as Wall Street digested the latest blow to its China business, which pulled in $17 billion last year. Share Facebook Twitter Stumbleupon LinkedIn Pinterest