5 things to know before the stock market opens Friday

CNBC's morning briefing highlights a decline in tech stocks following news of lower-than-expected revenue at OpenAI. Additionally, the report covers President Trump's recent comments on Iran and the growing trend of retail investors using margin debt to fund stock purchases.
Why it matters
These updates provide critical context for market volatility and geopolitical shifts that impact investor sentiment and global economic stability.
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Happy Friday. Don't miss Federal Communications Commission Chairman Brendan Carr on "Squawk on the Street" at 11 a.m. ET. Watch live on CNBC or CNBC+.
Stock futures are higher this morning following a losing day for the S&P 500 .
Here are five key things investors need to know to start the trading day:
OpenAI told investors that its annualized revenue at the end of September was roughly $18 billion shy of what was previously reported, CNBC confirmed yesterday. The news from one of the most dominant players in the artificial intelligence ecosystem led stocks across the tech sector to slide.
President Donald Trump said yesterday that the U.S. would not attack Iran before the midterm election on Nov. 3, writing in a post on Truth Social that the two countries were having "productive discussions."
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