Tariff insecurity and AI disruption are the flavors of the week as a sharp sell-off kick-started the final week of February

Nvidia's comments could act as a catalyst for its stock -- and tech stocks in general.

The U.S. stock market ticked higher, led by its most influential stock, Nvidia

Nvidia stock could be the most watched name during the week with Q4 earnings Wednesday and a chance to boost the beaten-down tech sector.

By Arsheeya Bajwa and Aditya Soni Feb 24 (Reuters) - As Nvidia heads into quarterly earnings on Wednesday, AI investors are seeking evidence that the chipmaker's profits are growing apace on the back of a $630 billion capital spending budget from Big Tech.

Nvidia (NASDAQ: NVDA) is squarely in focus ahead of its fiscal Q4 earnings scheduled for Feb. 25, with analysts calling for the AI darling to grow its revenue by more than 65% year-on-year.

Does this low valuation indicate a significant buying opportunity, or is the market accurately anticipating an upcoming cyclical peak?