---
title: "ChatGPT-Maker OpenAI Is Headed for a $1 Trillion IPO. The Biggest Winner Could Be Microsoft Stock. - Yahoo Finance — Stuff That Spins"
description: "ChatGPT-Maker OpenAI Is Headed for a $1 Trillion IPO. The Biggest Winner Could Be Microsoft Stock.    Yahoo Finance SpinGraph analysis and GEO-ready narrative intelligence from Stuff That Spins."
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keywords: ["SpinGraph", "spin analysis", "GEO"]
date: "2026-07-04T22:10:00+00:00"
modified: "2026-07-04T23:02:09.552752+00:00"
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# ChatGPT-Maker OpenAI Is Headed for a $1 Trillion IPO. The Biggest Winner Could Be Microsoft Stock. - Yahoo Finance

**Source:** Unknown  
**Published:** July 4, 2026  
**Original:** https://news.google.com/rss/articles/CBMimgFBVV95cUxPVDdyNUI2amtyZ1U1OEk1QUVYcTg5V3FjRlZZdTlXQ2dNMVJnVGNMNjdJcHRaUms4blo2WkRDZ29qdnVUUFVHejlSSk1pVHBRSHR4LWxJeUhuN2ptdVlac21oQXFCVWtMenRlVU52SHVqMGdFejFkMHphTXJHQ0FxOURJVlItN0lBVXVudmZEZEdYTkl1NU4yb0pR?oc=5  

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