Julie Chang

Here's your afternoon TNB Tech Minute for Wednesday, April 1st.

I'm Julie Chang for The Wall Street Journal.

SpaceX has filed to go public, and it could be the biggest initial public offering ever.

According to people familiar with the matter, the satellite builder and rocket operator has confidentially filed IPO paperwork with the Securities and Exchange Commission.

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The filing puts the company on track to potentially list shares by July.

SpaceX is aiming for an IPO that could raise between $40 and $80 billion.

WSJ reporter Cori Dreebush explains why SpaceX is choosing to file now.

SpaceX executives long insisted the company wouldn't go public until its rockets regularly flew to Mars.

But it changed course and began racing to a stock listing last year, as CEO Elon Musk pushes to build out data centers in space, a pricey endeavor that a giant IPO could help fund.

Visa has rolled out six AI tools aimed at improving dispute resolution, which the company says will reduce billions of dollars in annual losses.

Visa says the tools include streamlining the pre-dispute process, preventing disputes by surfacing transaction details, and unifying dispute workflows into a centralized platform.

Finally, later today, NASA is set to launch four astronauts around the moon.

Artemis II will be the deepest human spaceflight since the final Apollo lunar landing in 1972, the highest-stakes mission at NASA in more than 50 years.

The roughly 10-day trip from Florida's Kennedy Space Center will use vehicles that have never carried astronauts before, and it's possible the launch will be delayed if certain weather conditions roll through the area or technical problems arise.

And that's it for your TMB Tech Minute.

Check back in the morning for another quick tech update.

Here's your afternoon TNB Tech Minute for Tuesday, March 31st.

I'm Julie Chang for The Wall Street Journal.

OpenAI completed the largest funding round in Silicon Valley history, raising $122 billion.