India, Nov. 12 -- Asian shares were mostly lower and US futures were mixed Thursday as concerns over leadership at chipmaker Nvidia weighed on artificial intelligence -related stocks.

In after-hours trading, Nvidia's shares fell 8.6% after reports said Nvidia's board was meeting late Wednesday to discuss the situation surrounding its CEO, Jensen Huang, whose affair with a Chinese woman has raised national security concerns in the US

Nvidia 's shares climbed 2.9% on Wednesday. Its shares have fallen after the company said it was investigating Huang, who has admitted to a relationship with a businesswoman who allegedly fed intelligence and advanced chips to China.

Japan's benchmark Nikkei 225 edged 0.1% lower to 61,224.87.

In South Kore...