Characterize the news's sentiment using the following options.
Options: positive, negative

Can Nvidia and AMD sustain their impressive growth, especially in light of the new US ban on AI-Enabled Chip Sales to China on national security concerns? Just 5 years ago, Nvidia's stock traded at around $40 a share, AMD, around $10 a share. Flash forward to today and Nvidia's shares 5X'd and AMD's 10x'd.
negative