Add editions 2026-05-23 → 2026-05-27 (catch up the 5-day gap)

[mokashang]

Fills the gap from the last edition (2026-05-22) through today (2026-05-27). Five full editions (6 files each) + tracker updates, all in the existing format with tiered, sourced citations and Job · Startup · Insight lenses.

Editions added

• 2026-05-23 (Sat) — Anthropic $30B/$900B round set to close (passes OpenAI's $852B); the quiet "four labs, four acquisitions in five days" consolidation wave; the acqui-hire side door; PostTrainBench; Claude Code 5-layer stack.
• 2026-05-24 (Sun) — weekend synthesis: the "agents that do research" benchmark cluster; test-time compute as the deploy cost knob; Europe sovereign-AI preview; the weekly-review ritual.
• 2026-05-25 (Mon · Memorial Day) — Germany's €125M "Next Frontier AI" (SPRIND); OpenAI's open-source developer-lock-in M&A (Astral/Promptfoo/Statsig); Promptfoo eval practical; the agent-memory bottleneck survey.
• 2026-05-26 (Tue) — Anthropic's $900B round closing (most valuable AI startup); Hark $700M/$6B chipmaker-backed AI-device round; Unframe $50M; multi-agent memory (~80% token cut: AMA, MemMA).
• 2026-05-27 (Wed) — the race repriced on fundamentals; three-axis competition (Anthropic/OpenAI/Google); the form-factor war; the month's research arc; the four-skill capstone; month-end focusing checkpoint.

Trackers updated

• README.md — 5 new edition rows
• WATCHLIST.md — $900B close + new threads (consolidation/acqui-hire, OpenAI dev-tool M&A, sovereign-AI, Hark/form-factor, Unframe, agent-memory cluster, research-agents)
• ME.md — focusing decision reframed around the four-skill stack + capstone artifact
• ACTIONS.md — current week (May 26–June 1) block

Sources are live May 2026 web results (Bloomberg, TechTimes, TechCrunch, CNBC, Crunchbase, Euronews, arXiv, Anthropic/OpenAI primary). Unconfirmed items (e.g., the round close) are tagged and hedged.

https://claude.ai/code/session_01Re1W9MktAv1vDDPdL4RyXZ

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