S&P 500 and Nasdaq Decline Amid OpenAI Doubts and UAE OPEC Exit

The S&P 500 and Nasdaq fell on Tuesday as concerns over OpenAI's performance and the UAE's exit from OPEC weighed on markets. OpenAI's underperformance ahead of its IPO raised doubts about the AI spending boom, impacting tech stocks like Oracle. The oil market also reacted to the UAE's move, with crude prices rising.

By Rian Howlett , Karen Friar and Jake Conley Updated Tue, April 28, 2026 at 7:48 PM GMT+3 2 min read · Yahoo Finance ·

S&P 500 and Nasdaq Decline Amid OpenAI Doubts and UAE OPEC Exit

Tickers: $AAPL $AMZN $GOOG $META $MSFT $ORCL

Topics: AI spending Fed meeting Nasdaq oil prices OPEC OpenAI S&P 500 stock market

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