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Comcast Stock Posts Best Day in 18 Years as NBCUniversal Spin-Off Is Announced

6/29/2026

Comcast shares logged their best single session in 18 years on Monday after the company disclosed plans to separate NBCUniversal into a standalone, independent company.

The move would dismantle the media combination Comcast built over the 15 years since it acquired NBCUniversal.

The stock's reaction — the strongest single-day gain in nearly two decades — signals how long investors have been waiting for exactly this kind of corporate split.

A 15-Year Bet on Bundled Ownership, Now Reversed Comcast completed the NBCUniversal acquisition 15 years ago, placing a major media portfolio under the same corporate parent as its cable and connectivity operations.

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