--- title: "Why Is the Stock Market Down Today, 2/26/26?" type: "News" locale: "en" url: "https://longbridge.com/en/news/277066586.md" description: "The stock market is down, with the S&P 500 and Nasdaq 100 trading lower despite Nvidia's strong earnings report. Investors are concerned about a potential AI bubble and customer concentration risks, particularly regarding revenue from China. While major tech stocks like Alphabet, Amazon, and Tesla are struggling, software stocks such as ServiceNow, CrowdStrike, and Datadog are performing well. The financial sector is also seeing gains amid a rotational bull market, according to Piper Sandler's Chief Market Technician." datetime: "2026-02-26T15:28:31.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/277066586.md) - [en](https://longbridge.com/en/news/277066586.md) - [zh-HK](https://longbridge.com/zh-HK/news/277066586.md) --- > Supported Languages: [简体中文](https://longbridge.com/zh-CN/news/277066586.md) | [繁體中文](https://longbridge.com/zh-HK/news/277066586.md) # Why Is the Stock Market Down Today, 2/26/26? Both the S&P 500 (SPX) and the Nasdaq 100 (NDX) are trading lower on Thursday as a blowout earnings report from Nvidia (NVDA) failed to subdue concerns about a bubble in AI. ### Claim 50% Off TipRanks Premium - Unlock hedge fund-level data and powerful investing tools for smarter, sharper decisions - Stay ahead of the market with the latest news and analysis and maximize your portfolio's potential NVDA is the largest holding in both SPX and NDX, with weights of 7.32% and 13.57%, respectively. Despite the semiconductor leader beating on revenue, adjusted EPS, and guidance, investors chose to focus on customer concentration risk and the uncertainty of revenue from China amid restrictive regulatory measures. ## **Software, Financial Stocks Shine as Mega Caps Slide** Other members of the Magnificent 7, including Alphabet (GOOGL), Amazon (AMZN), and Tesla (TSLA), are also showing weakness alongside semiconductor stocks like Broadcom (AVGO) and Micron (MU). However, software stocks are a bright spot on the day, with ServiceNow (NOW), CrowdStrike (CRWD), and Datadog (DDOG) all up by at least 4%. The financial sector is also catching a bid as the "rotational bull market" continues, said Piper Sandler Chief Market Technician Craig Johnson. ### Related Stocks - [CrowdStrike Holdings, Inc. (CRWD.US)](https://longbridge.com/en/quote/CRWD.US.md) - [GraniteShares 1.25x Long Tsla Daily ETF (TSL.US)](https://longbridge.com/en/quote/TSL.US.md) - [NVIDIA Corporation (NVDA.US)](https://longbridge.com/en/quote/NVDA.US.md) - [ServiceNow, Inc. (NOW.US)](https://longbridge.com/en/quote/NOW.US.md) - [Datadog, Inc. (DDOG.US)](https://longbridge.com/en/quote/DDOG.US.md) - [Alphabet Inc. (GOOG.US)](https://longbridge.com/en/quote/GOOG.US.md) - [Amazon.com, Inc. 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