One of the biggest stories from last week underscores just how critical AI has become—not just for Silicon Valley, but for America’s national security.

Nvidia (NASDAQ: NVDA) is known for its dominance in artificial intelligence (AI) chips, holding about 80% of the market. The company sells the world's most expensive AI chips -- or graphics processing units (GPUs) -- but customers are willing to pay the price thanks to these products' top performance.

DeepSeek stunned the tech world with the release of its R1 "reasoning" model, matching or exceeding OpenAI's reasoning model for a fraction of the cost.

Nvidia stock rallied on Wednesday as its top customers, Big Tech giants like Alphabet, continue to invest more in the AI boom.

The chip maker's shares are falling with the wider market after President Donald Trump says he intends to impose levies on imported semiconductors.

Nvidia's stock value has declined sharply in recent days following the emergence of Chinese AI startup DeepSeek, resulting in a substantial decrease in its market capitalization. However, semiconductor industry insiders suggest that DeepSeek could accelerate the adoption of AI technologies,