What Happened?
A number of stocks fell in the afternoon session after Anthropic released new models (Claude Fable 5 and Claude Mythos 5) which were described as built for "the hardest knowledge work and coding problems."
Mythos had been restricted for roughly two months under Project Glasswing, a managed rollout to select governments and enterprises designed to contain its cybersecurity risk profile before a wider release. That matters because the SaaSpocalypse thesis gets reinforced every time a more capable AI agent arrives. When Anthropic launched Claude Cowork in January, it triggered a $285 billion rout in software stocks in a single session, with Goldman's US software basket falling. This is another iteration of the same logic: if an agent available for $20 a month can now complete long-run, multi-step knowledge work, the case for more expensive per-seat enterprise subscriptions gets harder to defend with each new model generation.
Adding to the weakness, US Central Command confirmed an American Apache helicopter had gone down near the coast of Oman, and Trump said the US "must respond" to what he described as an Iranian attack over the Strait of Hormuz. The Apache helicopter incident gave the software sector a macro headwind on top of those pressures.
Software is a long-duration asset, its valuation is rooted in future cash flows, making it particularly exposed to any development that firms up the case for sustained higher interest rates. An Iranian attack on US military assets over the Strait of Hormuz is precisely that kind of development.
The stock market overreacts to news, and big price drops can present good opportunities to buy high-quality stocks.
Among others, the following stocks were impacted:
- Data Infrastructure company Elastic (NYSE: ESTC) fell 2.6%. Is now the time to buy Elastic? Access our full analysis report here, it’s free.
- Advertising Software company Zeta Global (NYSE: ZETA) fell 3.5%. Is now the time to buy Zeta Global? Access our full analysis report here, it’s free.
- Sales Software company ZoomInfo (NASDAQ: GTM) fell 3.3%. Is now the time to buy ZoomInfo? Access our full analysis report here, it’s free.
Zooming In On Zeta Global (ZETA)
Zeta Global’s shares are extremely volatile and have had 48 moves greater than 5% over the last year. In that context, today’s move indicates the market considers this news meaningful but not something that would fundamentally change its perception of the business.
The previous big move we wrote about was 4 days ago when the stock dropped 5.3% on the news that a stronger-than-expected jobs report signaled that the Federal Reserve may keep interest rates higher for longer.
The U.S. economy added 172,000 nonfarm payroll jobs in May, significantly surpassing economists' expectations of around 85,000, while the unemployment rate held steady at 4.3%. This robust labor market data eases concerns of an economic slowdown but diminishes the likelihood of near-term interest rate cuts by the Federal Reserve.
A prolonged high-interest-rate environment can create headwinds for growth-oriented sectors like technology, as it pressures stock valuations by making future earnings less valuable in the present. As a result, investors recalibrated their expectations for a 'higher-for-longer' rate scenario.
Zeta Global is up 6% since the beginning of the year, but at $21.09 per share, it is still trading 16.5% below its 52-week high of $25.25 from June 2026. Investors who bought $1,000 worth of Zeta Global’s shares 5 years ago would now be looking at an investment worth $2,375.
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