WSJ Tech News Briefing – Tech Minute: SpaceX Plans Share Sale That Would Boost Valuation to $800 Billion

Date: December 5, 2025
Host: Julie Cheng, The Wall Street Journal

Episode Overview

This fast-paced episode of the WSJ Tech News Briefing spotlights three major tech industry developments: SpaceX’s new share sale and record valuation, the European Union’s landmark fine against social media platform X, and the soaring IPO debut of Chinese AI chipmaker More Threads.

Key Discussion Points & Insights

1. SpaceX Kicks Off Share Sale, Raises Private Valuation Benchmark

• [00:31] Julie Cheng delivers the big scoop: SpaceX is initiating a secondary share sale, pegging its valuation at an eye-popping $800 billion.
  • This makes SpaceX “the most valuable US private company, surpassing OpenAI.”
  • Context: The new valuation is double that of “a recent secondary share sale,” which valued SpaceX at $400 billion.
  • Information is credited to “people familiar with the matter.” SpaceX’s CFO reportedly briefed investors “in recent days.”
  • When pressed for comment, “SpaceX didn’t immediately respond.”

2. European Union Fines Social Media Platform X $140 Million Under New Regulations

• [00:57] The episode transitions to another company owned by Elon Musk: X (formerly Twitter).
  • X has been slapped with “a roughly $140 million fine in the European Union over alleged breaches of the block’s landmark digital content law.”
  • Significance: This is “the first ever penalty the EU has handed out under the Digital Services Act after a years long probe.”
  • The European Commission’s findings include:
    • Claim that “X’s Blue checkmark system deceives users and falls foul of the rules.”
    • Issues regarding “advertising transparency and data access rules.”
  • X did not respond to a request for comment.
  • The Commission is also “still scrutinizing X over the possible spread of illegal content.”
  • Important deadlines: “The company now has 60 days to propose a solution for its Blue check system and 90 days to address ad transparency policies.”

3. Chinese AI Chipmaker More Threads Soars in IPO

• [01:52] Julie covers the breakout debut of More Threads on the stock market.
  • “Shares of Chinese AI chipmaker More Threads soared 425% in its market debut today after raising more than $1 billion in an IPO.”
  • The company aims to be “China’s version of Nvidia.” It designs GPUs (graphics processing units) for “AI training.”
  • Founded by a “former Nvidia executive.”
  • Financials: “Revenue more than tripled last year, but the company remained loss making.”
  • Broader context: This comes amid Beijing’s push to develop “a domestic AI ecosystem that doesn’t rely on foreign technology or computing power.”

Notable Quotes

• Julie Cheng [00:31]:
  “We exclusively report that SpaceX is kicking off a secondary share sale that would value the rocket maker at $800 billion.”

• Julie Cheng [00:38]:
  “This would make it the most valuable US private company, surpassing OpenAI.”

• Julie Cheng [01:02]:
  “The fine marks the first ever penalty the EU has handed out under the Digital Services Act after a years long probe.”

• Julie Cheng [01:54]:
  “Shares of Chinese AI chipmaker More Threads soared 425% in its market debut today after raising more than $1 billion in an IPO.”

Timestamps for Key Segments

• SpaceX Share Sale & Valuation – [00:31]
• EU Fines Social Platform X – [00:57]
• More Threads IPO & China’s AI Ambitions – [01:52]

Memorable Moments

• The announcement of SpaceX’s sky-high $800B valuation, instantly making it America’s most valuable private company, marks a new milestone in the private space and tech sector.
• The EU’s first-ever enforcement of its Digital Services Act represents a powerful regulatory moment, signaling increased scrutiny on major global tech platforms.
• The explosive debut of More Threads on the IPO market not only underlines China’s ambition to match US chip giants but also reflects the high investor optimism in AI-related chipmakers despite ongoing losses.

Conclusion

This episode succinctly captures three tectonic shifts in the tech world: SpaceX’s record-setting valuation, the EU’s assertive stance on digital regulation, and China’s determined push for AI chip independence. Each story is a snapshot of current global power shifts in technology and regulation.

Check back next episode for more rapid updates on the cutting edge of tech.