Nvidia (NASDAQ: NVDA) benefited enormously from the increased investment in chips for artificial intelligence (AI), but news out of China is causing investors to wonder if the stock's high valuation is worth it ahead of potential risks to the massive investment big tech companies have put into data center infrastructure.

Nvidia stock fell again as investors continue to react to the possibility that DeepSeek's new AI model means less need for advanced GPUs. The post Nvidia just sank again. Is this your chance to buy the artificial intelligence (AI) leader's stock?

Shares of Nvidia (NASDAQ: NVDA) were sinking Wednesday. The company's stock fell 6.2% as of 2:20 p.m. ET, but lost as much as 6.9% earlier in the day. The move comes as the S&P 500 (SNPINDEX: ^GSPC) and Nasdaq Composite (NASDAQINDEX: ^IXIC) lost 0.

Since the start of 2023, Nvidia 's (NASDAQ: NVDA) stock has gained an astronomical 906% as of the time of writing. It's also right around its all-time high right now, but these two facts may scare some investors off. The common thought is, "Nvidia has risen so much already; how can it increase more?"

Nvidia stock's just experienced its largest one-day fall in almost five years. Should Edward Sheldon buy more shares after the pullback? The post Should I buy more Nvidia stock for my ISA after the DeepSeek-related fall?