US financial markets saw a mix of enthusiasm and caution on Monday, driven by major corporate announcements in technology and artificial intelligence alongside ongoing volatility in cryptocurrencies.
Gains in tech stocks helped push the S&P 500 and Nasdaq to intraday record highs, while Bitcoin and other digital assets faced sharp declines amid heavy liquidations.
Apple’s new product launches further bolstered investor sentiment, though political uncertainties, including the risk of a government shutdown, continued to temper broader market momentum.
Markets advance on Nvidia-OpenAI partnership
US equities climbed on Monday, led by gains in technology stocks, as investors responded to major corporate developments in artificial intelligence and consumer tech.
The S&P 500 rose 0.4%, the Nasdaq Composite gained 0.7%, and the Dow Jones Industrial Average added 71 points, or 0.2%.
Both the S&P 500 and Nasdaq hit new intraday record highs during the session.
The move came after Nvidia Corp. announced plans to invest up to $100 billion in OpenAI to develop new data centres and infrastructure to run artificial intelligence workloads.
The companies said they signed a letter of intent outlining a strategic partnership aimed at building data centres with a combined capacity of 10 gigawatts, powered by Nvidia’s AI chips, to train and deploy OpenAI’s models at scale.
“The first gigawatt of NVIDIA systems will be deployed in the second half of 2026 on the NVIDIA Vera Rubin platform,” the companies said in a press release.
Nvidia shares rose as much as 3.1% in New York trading, extending gains of roughly 36% so far this year.
Oracle to rebuild TikTok algorithm for US market
Oracle Corp will recreate and manage a US version of TikTok’s recommendation algorithm as part of a proposed sale of the Chinese-owned app to American investors, a White House official said Monday.
Under the plan, US-based TikTok owners would lease a copy of the software from TikTok’s parent, ByteDance Ltd., with Oracle retraining the algorithm “from the ground up.”
All US user data would be stored in a secure Oracle-managed cloud with measures to prevent foreign access.
“Oracle, the US security partner, will operate, retrain, and continuously monitor the US algorithm to ensure content is free from improper manipulation or surveillance,” the official said.
Oracle’s shares rose alongside broader tech gains, benefiting from investor optimism over the firm’s expanded role in the US digital landscape.
Bitcoin and crypto market face sharp declines
Cryptocurrency markets experienced significant losses on Monday as Bitcoin tested $112,000 support, shedding ground after earlier euphoria surrounding potential Fed rate cuts faded.
The total crypto market capitalisation fell below $4 trillion following a drop of more than 3% in the past 24 hours.
Market sentiment turned risk-averse, with the Crypto Fear and Greed Index dipping four points into the “Fear” zone.
Altcoins among the top 100 cryptocurrencies surrendered almost all of last week’s gains.
Bitcoin reached intraday lows of $112,293 after starting the day above $115,674.
The market also saw one of the most aggressive liquidation events of the cycle, with over $1.71 billion in positions closed, including $1 billion in long positions within the first hour of trading, according to CoinGlass data.
Apple stock climbs on strong iPhone demand
Apple Inc. stock surged roughly 4% on Monday, erasing its 2025 losses and turning slightly positive for the year.
The rally followed the launch of new iPhone, Apple Watch, and AirPods models on Friday, including the midrange $999 iPhone Air, which marked the first significant iPhone redesign in years.
Analysts highlighted early shipping times as a signal of robust demand.
“Our tracking of iPhone ship dates on Apple’s own website, and various carrier websites, indicates that as of Sept. 22, ship time for the iPhone 17 (18 days) is more extended versus last year’s iPhone 16 (10 days),” Bank of America Securities analysts said in a note Monday.
Pre-orders in China also indicate strong uptake, supporting the stock’s rebound.
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