When Anthropic introduced Claude Code in early 2026, the market reacted unexpectedly. Instead of benefiting software stocks, the launch led to a significant downturn, with the iShares Expanded Tech-Software Sector ETF suffering a decline of over 14%—its worst performance since 2008.
Why did software stocks take a hit? Claude Code was positioned as a potential AI-driven alternative to several popular software-as-a-service (SaaS) products.
Notable companies like Microsoft (MSFT, down 23.3% year-to-date), Shopify (SHOP, down 26.4%), Adobe (ADBE, down 32.2%), and Salesforce (CRM, down 31.3%) were caught in the sell-off. Traders began to refer to it as “the SaaSpocalypse,” a term coined by Jefferies‘ Jeffrey Favuzza, who described the selling behavior as a desperate “get me out.”
Investors’ Logic May Be Flawed
The rationale behind the sell-off appears to be this: If AI agents can access, read, write, and perform tasks within enterprise software, why would companies continue to pay for per-seat SaaS licenses? If Claude can navigate through Salesforce’s interface without human intervention, doesn’t that undermine Salesforce’s pricing power?
This concern is valid and mirrors the real-world discourse around “AI will take your job.” However, analysts from J.P. Morgan described these stock declines as stemming from “broken logic.” Investors seem to be juggling two contradictory anxieties: fears of AI disrupting software companies alongside fears that hyperscalers might be overspending on AI infrastructure. This creates a conflicting market reality.
What Does Money Rotation Indicate?
Currently, the S&P 500 software and services index is trading approximately 21% below its 200-day moving average, a level not seen since June 2022. Notably, short interest in mid- to large-cap software has surged over the last three months, particularly among cybersecurity and SaaS firms—a typical precursor to a category reset. Companies that survive will likely use AI to deepen their competitive advantages rather than diminish them.
AI necessitates real data, proprietary workflows, strong customer relationships, and seamless integration with existing systems. This specificity makes certain software products difficult for general-purpose AI to replicate. Consequently, the firms that are struggling are those primarily offering services easily performed by AI.
Is AI Signaling the End of SaaS?
This period may usher in a more rigorous phase of AI investment, where indiscriminate buying of “AI-concerned” stocks may give way to a more discerning approach. Amidst widespread panic selling, distinguishing strong from weak stocks can be challenging. The quickest recoveries often belong to companies whose fundamentals are resilient against these fears.
Regarding the companies caught in this sell-off, Microsoft appears to be more of a beneficiary than a victim. Its comprehensive stack—including Azure infrastructure and deep integrations with products like Office—positions it favorably. Tools like Copilot do not replace Microsoft; rather, they enhance its value by embedding AI within existing workflows.

