# Semiconductor shares, which have surged over 40% so far this year, weighed particularly heavily on the Nasdaq.

*business · news · 2026-04-28 · Devdiscourse*

## Key points

- OpenAI missed internal targets for weekly users and revenue, raising sustainability concerns.
- Oracle shares fell due to scrutiny over its reliance on OpenAI's technology.
- The five Magnificent Seven companies reporting this week represent 44% of S&P 500 market capitalization.
- The UAE announced its withdrawal from OPEC, impacting global oil markets.
- Fed's upcoming policy meeting will address inflation risks from war-driven energy price spikes.

**Companies:** Apple, Microsoft, Amazon, Alphabet, Meta Platforms, Oracle, Nvidia, Visa, Coca-Cola, General Motors, Starbucks, OpenAI, CoreWeave
**Countries:** United States, United Arab Emirates

[Read the full story on Devdiscourse](https://www.devdiscourse.com/article/headlines/3890083-us-stocks-nasdaq-sp-500-end-lower-on-renewed-ai-growth-worries-ahead-of-big-tech-earnings)

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