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.

Semiconductor stocks are getting hit with a wave of bearish pressures following news that the U.S. will take new steps to limit the export of advanced chips used for AI.

Nvidia's latest 13-F filing from November 14, 2024, revealed that the semiconductor company invested in 6 AI stocks.

SoundHound AI ( SOUN -0.23%), which is a leader in conversational AI. SoundHound AI stock was the top performer on that list in 2024, with a massive gain of 835%. But it's off to a very rocky start in 2025 -- last week (ended Friday, Jan. 10), its price plunged by 32% as investors trimmed their bets on stocks with elevated valuations.

Artificial intelligence (AI) has been referred to as a generational opportunity by leadership at some of the top tech companies in the world. Given that there is still a long way to go in AI's development,

Nvidia still has the stock-boosting power, but its strength may be waning as some investors wonder how long it will last.

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,