There's no shortage of uncertainties surrounding productivity gains to be had from the AI boom. Will embracing next-generation large language models (LLMs) actually lead to an earnings boost? And when will such a boost be on the horizon?

The Vanguard U.S. Momentum Factor ETF ( VFMO 0.09%) narrowly beat the S&P 500 in 2024. But it is already up 6.3% year to date as of Jan. 26, outperforming the S&P 500's 3.7% gain.

Nvidia shares closed down almost 17%, posting its biggest drop since March 2020 and erasing nearly $600 billion from the company's market cap. Broadcom fell 17.4%, and other chip stocks like Micron declined 11.

The enthusiasm surrounding AI has already been driving the broader market rally since 2024. The S&P 500 gained 23.3% in 2024 after climbing 24.2% in 2023. The index jumped 53% in the last two years, recording its best performance since the 66% gain in 1997-98.

Meta and Tesla rise as Microsoft slumps, keeping US indices mixed. Investors await Apple and Amazon earnings while GDP and Fed policy weigh on sentiment.

The S&P 500 and Nasdaq plunged at midday when Chinese artificial intelligence startup DeepSeek shook up the sector with a lower-cost large language model.

Nvidia Corp, the poster child of the AI frenzy, sank 17 per cent on Monday and reported the biggest market-cap loss for a single stock in market history.

"The narrative on Monday was that the eye-watering sums spent on AI capex by mega-cap tech companies could be somewhat obsolete if a cheaper solution exists," analysts at BCA Research said in a note.

This post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them. 24/7 Wall Street Many investors, including Warren Buffett,

US markets stabilised Tuesday following a wipeout a day earlier when DeepSeek startled markets with its capacity to compete with American tech giants.

Nvidia Corp, the poster child of the AI frenzy, sank 17 per cent on Monday and reported the biggest market-cap loss for a single stock in market history.

Nvidia, S&P 500, and Nasdaq erase earlier gains as AI fears persist. Investors brace for earnings and Fed signals amid volatile market conditions.