GLOBAL MARKETS-Wall Street set to dip as Nvidia storm continues, Treasury yields bob at 5%

By Marc Jones

LONDON, Nov 12 (Reuters) - Fresh turbulence hit global stocks on Thursday as a spy scandal threatened to oust chip giant Nvidia’s CEO, while US Treasury yields touched 5% again and the dollar reached a 19-month high on firming US rate rise bets.

There had been cheer in Europe where the comparatively tech-light STOXX 600 .STOXX hit its first record high since August, but elsewhere the strains were showing with Wall Street expected to open lower later. .EU

Reports that Nvidia's board had met on Wednesday to decide the fate of the firm's long-time leader, Jensen Huang, sent the company's shares diving nearly 7% in premarket US trading after Asian markets had also suffered widespread falls overnight. .N

Chinese tech firms that use Nvidia chips for their AI models fell heavily in Hong Kong. Alibaba 9988.HK and Tencent 0700.HK tumbled 6.7% and 2.6% respectively amid concerns that Washington may now curb access to offshore datacentres with the most advanced processors.

Many of the other global market issues were back in play too.

Brent oil had bounced back above $92 a barrel as persistent tensions in the Middle East offset rising regional output, while the dollar .DXY, was at its highest since last April in the aftermath of US President Donald Trump's 'Liberation Day' tariff announcements.

The dollar has gained over 1.5% since stronger than expected US inflation data earlier this week triggered a repricing of expectations for another Federal Reserve rate hike next month.

A week ago, traders saw a one-in-three chance that the US central bank would hold steady. Now they price a 90% chance of a 25-basis-point hike, and ascribe 9.2% odds of a larger 50-basis-point hike, according to the CME Group's FedWatch tool.

"The Nvidia issue has played its part in creating a risk-off move that is pushing up the dollar," Societe Generale strategist Kit Juckes said.

"The deep driver though is the big shift in the tone around inflation ... The market is now off the fence on the question of whether there is an inflation problem (in the US)."

WALL STREET WORRIES

That shift was being felt in bonds too. The US 10-year Treasury yield bobbed back up 5% again after US bond markets had been closed on Wednesday.

Momentum wasn't one-way though. Germany's 10-year Bund yield — the benchmark for much of Europe — nudged down to 3.3%, though it was still set for a weekly rise of around 5 basis points.

In contrast to Europe's record high for stocks, Wall Street futures were 0.5% weaker amid the furore around Nvidia, a firm which until recently had been the world's most valuable company.

A flurry of reports said Nvidia's board had met late on Wednesday to decide whether to oust CEO Huang following allegations that he had an affair with a suspected spy for China. The New York Times has also reported that Huang had had an affair with a fellow Nvidia executive.

"It looks bad from every single angle," said Jake Dollarhide, chief executive officer at Longbow Asset Management in Tulsa, Oklahoma.

"I believe the board won't oust him until they have an all-star, a known entity in the tech sector, to replace him," he said. "At the end of the day, let's not forget that the Nvidia chip is the centrepiece of the AI story."

It was not yet clear who might replace Huang as CEO if he goes. In the meantime, Chinese domestic GPU makers surged on Thursday as expectations rose that Nvidia's troubles could help local chip suppliers win greater market share.

Saxo Bank's Chief Investment Strategist Charu Chanana said Nvidia earnings next Tuesday are the next key test.

"Strong results could reaffirm the AI growth story, but may not fully remove the governance discount," she said.