National

AI's most powerful CEOs hit the brakes

Hill Leaders

Axios Hill Leaders

September spending spree

A range plot showing top 2026 Senate races by ad spending and reservations for September. Ohio's race is the highest, at $72.1m, followed by North Carolina ($39.2m) and Michigan ($38.0m). In all but two races shown, Republicans have outspent Democrats.

September <b style="color:#3fb4ff">Democratic</b> and <b style="color:#ff714e">Republican</b> ad spending in select Senate races

Data: AdImpact; Note: AdImpact data includes dollars spent on video advertisements on broadcast, cable and social media as well as spending estimates on streaming platforms; Chart: Stef Kight/Axios

Media Trends

Axios Media Trends

Markets

Axios Markets

Elon Musk's X is the AI community group chat

Musk's PAC goes big on trans attack ads

Whats Next

Axios What's Next

Tesla's Cybercab now available for ride-hailing

Musk and Zuck make AI comebacks

SpaceX jumps despite big stock unlock

A line chart that shows SpaceX daily trading volume from June 12 to Aug. 6, 2026. Volume peaked at 522.1 million shares on June 12 and fell to a low of 46.5 million on July 9. Trading then climbed, reaching 255.2 million on Aug. 6.

Trading volume in SpaceX shares 

Data: FactSet; Chart: Matt Phillips/Axios

Closer

Axios Closer

AI's bottomless pit problem: Investors are scrutinizing costs

SpaceX tops revenue expectations in first earnings report after IPO

SpaceX is testing market gravity

Back to Business

Billionaire Elon Musk runs X, SpaceX, Tesla and Neuralink and has the ear of the president.

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