March 16th, 2026: Stripe’s Agentic Suite, Salesforce Marketing Cloud Rebrand, Costco Earnings, and Customer Wallet Share Research

Stripe just released an Agentic Technology Suite and positioned it as the infrastructure layer for the next era of commerce.]So who is Stripe actually building this for?

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Salesforce Marketing Cloud posted -1% growth in Q4 FY2026 — the end of four years of deceleration and the start of something worse. Rebranding to Agentforce doesn't fix a product growth problem, and acquisitions are a slower fix than they look.

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Costco reported $2B in revenue, up 13.8%, driven by a limited SKU model and a merchandising strategy that creates genuine discovery. Digital is working too — personalized carousels drove $470M in e-commerce sales. The CEO is watching tariffs closely for the next 150 days.

And the big structural story: retail's share of total consumer spending dropped from 34.3% in 2022 to 30.8% in Q4 2025. Amazon is absorbing the majority of what remains. The market is consolidating around Walmart and Costco for necessities and Amazon for everything discretionary — leaving mid-market and specialty retail in a structurally difficult position.

Investor minute covers 5 stories from the world of IPOs, funding, private equity and more.

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