The stock market rallied Tuesday with a slew of AI stocks that may be DeepSeek winners flashing buy signals. Microsoft, Meta, Tesla and the Fed loom Wednesday.

The biggest market loss in history happened, with Nvidia stock dropping 17%—and the entire internet thought this was hilarious.

The superstar run for Nvidia’s stock the last few years has been astonishing. So was its tumble Monday, which caused $595 billion in wealth to vanish.

Microsoft alone is projecting $80 billion of infrastructure spend for data centers in 2025; meanwhile, OpenAI, Oracle, and SoftBank are leading the newly announced Stargate initiative under President Trump -- a project aiming to invest $500 billion into AI frameworks over the coming years.

The market’s reaction was swift and severe. Investors, spooked by the potential implications of DeepSeek’s innovation, initiated a broad sell-off of AI-related stocks. NVIDIA stock wasn’t alone in this downturn. Other tech giants like Broadcom and Meta also felt the heat, experiencing notable declines in their stock prices.

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 Corp. ( NVDA, Financials) shares fell 1.78% on Friday, closing at $144.60 as of 11:55 am GMT-5. The fall followed a statement by Meta Platforms ( META, Financials) CEO Mark Zuckerberg on the major AI investment plan of the business.

Nvidia was down nine percent in pre-market trading, with Meta and Microsoft, which has also made a big bet on AI in recent years, both seeing their shares fall by four percent. Dutch semiconductor equipment manufacturer ASML was also impacted by the slump, down 9.7 percent, while Schneider Electric similarly saw its shares slide by 8.7 percent.

China-based DeepSeek is just over a year old, but the startup has released an open-source AI model called R1 that seems to have the rest of the industry worried. DeepSeek was founded in 2023 by Liang Wenfeng,

Nvidia shares shed nearly $600 billion in market value Monday, marking the largest single-day loss in market history.

Jan. 28, 8:45 a.m. EST Shares of the two companies most severely impacted by the DeepSeek reaction, Nvidia and Oracle, rose about 3% apiece in premarket trading, though both American technology firms are still on track to open with a more than 10% weekly loss.