Nvidia was the most remarkable technology story of 2024 — both in terms of its products and impact on the stock market. The company’s strategic advancements in data-center GPUs and networking; its growth and ambitions in services;

Nvidia stock has been one of the biggest winners of the artificial intelligence (AI) revolution in the past couple of years, clocking remarkable gains of nearly 800% over the past two years on account of the red-hot demand for its data center graphics cards, but the past three months have been difficult for the chipmaker.

It seems clear that 2024 was the year of artificial intelligence (AI) -- or was it? If you had invested in an AI-based exchange-traded fund (ETF) at the beginning of last year, the chance that you would have beaten the market wasn't great,