Zscaler Inc (ZS) — Quality & forensics

Long reads

• Agentic Application Software: The SaaSpocalypse MapDossier · $39 · 27 Feb 2026CrowdStrike (CRWD) · Palo Alto Networks (PANW) · Zscaler (ZS) · Rubrik (RBRK) · SentinelOne (S) Healthcare IT Adapter — regulatory moat buys time Regulatory requirements (FDA, HIPAA, clinical trial compliance) create switching costs that…

101 and glossary

• Cloudflare as Agentic Toll Booth: The Infrastructure Tax on Every Agent101Key Companies NET Cloudflare Toll booth positioning: Workers + R2 + Zero Trust for agents ZS Zscaler Competitor in security, but no compute/storage layer FSLY Fastly CDN competitor, but no agent runtime AMZN AWS Full stack but…

Dailies

• AI Trade — cloud fund +2.9% on a second up day, security +2.7%; chips −0.9% again, Delta −1.6% on fuelMidday 10 · 9 Oct 2026The money keeps moving from the chip makers to the companies that run and sell AI: Zscaler +6.4%, Datadog +5.7%, Oracle +4.8%, while TSMC and AMD slip.
• Nvidia — up 2.7% in a red market; MongoDB sinks 18% as Meta hires its CEO, gold slides 3.8%Midday 10 · 28 Sept 2026Cybersecurity rises while the market falls: Palo Alto Networks $390.12 (+4.10%), Zscaler $200.25 (+3.73%), CrowdStrike $259.69 (+3.00%), Cloudflare $355.13 (+1.75%)
• Fed day — relief before the decision: 10-year 4.96%, Brent under $107.63, chips reclaim $505, Nasdaq-100 above $708.69Midday 10 · 16 Sept 2026Software sits the relief out: the software ETF flat at $105.41, Microsoft −0.5% to $494.39, ServiceNow −0.8%, Amazon flat, Alphabet +0.3%, Apple +0.4%; the security names hold — Palo Alto +1.2%, Cloudflare +0.8%, CrowdStrike +0.5%…
• Rates — Fed day at a 5% 10-year: the hike is priced, the cycle is not; Yardeni cuts the S&P target to 7,900Morning 10 · 16 Sept 2026Inside technology the sort of Monday paused: the semiconductor ETF rose 1.0% to $502.07 — still under the $505 line it lost on Monday — on AMD +2.8%, Marvell +2.4%, Arm +1.7%, Nvidia +1.1% and Micron +0.9%, while the equipment names that…
• AI trade — sellers of compute sold, buyers bought: chips −5.6%, software +5%, SoftBank +7% in TokyoMorning 10 · 15 Sept 2026The software ETF gained 5.0% to $106.64, its best day of the year, and the security names that Sunday’s Weekly Signal named as the buyers of frontier models rose 13% to 17%: Zscaler, SentinelOne, CrowdStrike, Palo Alto.
• Rates — the 10-year hits 5.01%: Dow −0.9%, Russell −1.2%, the AI sort pauses, Oracle and Adobe hold their linesMidday 10 · 15 Sept 2026The security group keeps its bid — CrowdStrike +2.9%, SentinelOne +2.3%, Zscaler +1.8% — and the buyers of compute give some back: Alphabet −1.6%, Amazon −1.5%, Apple −1.0%, Microsoft −0.8%.
• AI trade — the pacing call splits tech: chips −5%, software +4.5%, security +12–15%, 10-year hits 5%Midday 10 · 14 Sept 2026The software ETF is up 4.5% at $106.07, its best day of the year, and the security names that Sunday’s Weekly said were being sold on price and bought on flow are up 12% to 15%: Zscaler +14.8%, SentinelOne +14.6%, CrowdStrike +14.7%, Palo…
• Oil knocks on $100 and Wall Street sells everything but the AI pipe: Intel +9%, Lumentum +11%, Dow −1.2% — Seoul buys the dip and the Kospi is back above 7,000Morning 10 · 9 Sept 2026On the other side, the iShares software ETF fell 1.8%: Shopify −7.6%, UiPath −7.8%, Atlassian −6.9%, ServiceNow −5.0%, Workday −4.9%, Zscaler −4.6%, Intuit −4.1%, Adobe −3.5%.